1package eu.siacs.conversations.entities;
   2
   3import android.content.ContentValues;
   4import android.content.Context;
   5import android.content.DialogInterface;
   6import android.content.Intent;
   7import android.database.Cursor;
   8import android.database.DataSetObserver;
   9import android.graphics.drawable.AnimatedImageDrawable;
  10import android.graphics.drawable.BitmapDrawable;
  11import android.graphics.drawable.Drawable;
  12import android.graphics.Bitmap;
  13import android.graphics.Canvas;
  14import android.graphics.Rect;
  15import android.os.Build;
  16import android.net.Uri;
  17import android.telephony.PhoneNumberUtils;
  18import android.text.Editable;
  19import android.text.InputType;
  20import android.text.SpannableStringBuilder;
  21import android.text.Spanned;
  22import android.text.StaticLayout;
  23import android.text.TextPaint;
  24import android.text.TextUtils;
  25import android.text.TextWatcher;
  26import android.view.LayoutInflater;
  27import android.view.MotionEvent;
  28import android.view.Gravity;
  29import android.view.View;
  30import android.view.ViewGroup;
  31import android.widget.AbsListView;
  32import android.widget.ArrayAdapter;
  33import android.widget.AdapterView;
  34import android.widget.Button;
  35import android.widget.CompoundButton;
  36import android.widget.GridLayout;
  37import android.widget.ListView;
  38import android.widget.TextView;
  39import android.widget.Toast;
  40import android.widget.Spinner;
  41import android.webkit.JavascriptInterface;
  42import android.webkit.WebMessage;
  43import android.webkit.WebView;
  44import android.webkit.WebViewClient;
  45import android.webkit.WebChromeClient;
  46import android.util.DisplayMetrics;
  47import android.util.LruCache;
  48import android.util.Pair;
  49import android.util.SparseArray;
  50import android.util.SparseBooleanArray;
  51
  52import androidx.annotation.NonNull;
  53import androidx.annotation.Nullable;
  54import androidx.appcompat.app.AlertDialog;
  55import androidx.appcompat.app.AlertDialog.Builder;
  56import androidx.core.content.ContextCompat;
  57import androidx.core.util.Consumer;
  58import androidx.databinding.DataBindingUtil;
  59import androidx.databinding.ViewDataBinding;
  60import androidx.viewpager.widget.PagerAdapter;
  61import androidx.recyclerview.widget.RecyclerView;
  62import androidx.recyclerview.widget.GridLayoutManager;
  63import androidx.viewpager.widget.ViewPager;
  64
  65import com.caverock.androidsvg.SVG;
  66
  67import com.cheogram.android.ConversationPage;
  68import com.cheogram.android.Util;
  69import com.cheogram.android.WebxdcPage;
  70
  71import com.google.android.material.tabs.TabLayout;
  72import com.google.android.material.textfield.TextInputLayout;
  73import com.google.common.base.Optional;
  74import com.google.common.collect.ComparisonChain;
  75import com.google.common.collect.Lists;
  76
  77import io.ipfs.cid.Cid;
  78
  79import io.michaelrocks.libphonenumber.android.NumberParseException;
  80
  81import org.json.JSONArray;
  82import org.json.JSONException;
  83import org.json.JSONObject;
  84
  85import java.time.LocalDateTime;
  86import java.time.ZoneId;
  87import java.time.ZonedDateTime;
  88import java.time.format.DateTimeParseException;
  89import java.time.format.DateTimeFormatter;
  90import java.time.format.FormatStyle;
  91import java.text.DecimalFormat;
  92import java.util.ArrayList;
  93import java.util.Collection;
  94import java.util.Collections;
  95import java.util.Iterator;
  96import java.util.HashMap;
  97import java.util.HashSet;
  98import java.util.List;
  99import java.util.ListIterator;
 100import java.util.concurrent.atomic.AtomicBoolean;
 101import java.util.stream.Collectors;
 102import java.util.Set;
 103import java.util.Timer;
 104import java.util.TimerTask;
 105
 106import me.saket.bettermovementmethod.BetterLinkMovementMethod;
 107
 108import eu.siacs.conversations.Config;
 109import eu.siacs.conversations.R;
 110import eu.siacs.conversations.crypto.OmemoSetting;
 111import eu.siacs.conversations.crypto.PgpDecryptionService;
 112import eu.siacs.conversations.databinding.CommandButtonGridFieldBinding;
 113import eu.siacs.conversations.databinding.CommandCheckboxFieldBinding;
 114import eu.siacs.conversations.databinding.CommandItemCardBinding;
 115import eu.siacs.conversations.databinding.CommandNoteBinding;
 116import eu.siacs.conversations.databinding.CommandPageBinding;
 117import eu.siacs.conversations.databinding.CommandProgressBarBinding;
 118import eu.siacs.conversations.databinding.CommandRadioEditFieldBinding;
 119import eu.siacs.conversations.databinding.CommandResultCellBinding;
 120import eu.siacs.conversations.databinding.CommandResultFieldBinding;
 121import eu.siacs.conversations.databinding.CommandSearchListFieldBinding;
 122import eu.siacs.conversations.databinding.CommandSpinnerFieldBinding;
 123import eu.siacs.conversations.databinding.CommandTextFieldBinding;
 124import eu.siacs.conversations.databinding.CommandSliderFieldBinding;
 125import eu.siacs.conversations.databinding.CommandWebviewBinding;
 126import eu.siacs.conversations.databinding.DialogQuickeditBinding;
 127import eu.siacs.conversations.http.HttpConnectionManager;
 128import eu.siacs.conversations.persistance.DatabaseBackend;
 129import eu.siacs.conversations.services.AvatarService;
 130import eu.siacs.conversations.services.QuickConversationsService;
 131import eu.siacs.conversations.services.XmppConnectionService;
 132import eu.siacs.conversations.ui.UriHandlerActivity;
 133import eu.siacs.conversations.ui.text.FixedURLSpan;
 134import eu.siacs.conversations.ui.util.ShareUtil;
 135import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
 136import eu.siacs.conversations.utils.JidHelper;
 137import eu.siacs.conversations.utils.MessageUtils;
 138import eu.siacs.conversations.utils.PhoneNumberUtilWrapper;
 139import eu.siacs.conversations.utils.UIHelper;
 140import eu.siacs.conversations.xml.Element;
 141import eu.siacs.conversations.xml.Namespace;
 142import eu.siacs.conversations.xmpp.Jid;
 143import eu.siacs.conversations.xmpp.chatstate.ChatState;
 144import eu.siacs.conversations.xmpp.forms.Data;
 145import eu.siacs.conversations.xmpp.forms.Option;
 146import eu.siacs.conversations.xmpp.mam.MamReference;
 147import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 148
 149import static eu.siacs.conversations.entities.Bookmark.printableValue;
 150
 151
 152public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation>, Conversational, AvatarService.Avatarable {
 153    public static final String TABLENAME = "conversations";
 154
 155    public static final int STATUS_AVAILABLE = 0;
 156    public static final int STATUS_ARCHIVED = 1;
 157
 158    public static final String NAME = "name";
 159    public static final String ACCOUNT = "accountUuid";
 160    public static final String CONTACT = "contactUuid";
 161    public static final String CONTACTJID = "contactJid";
 162    public static final String STATUS = "status";
 163    public static final String CREATED = "created";
 164    public static final String MODE = "mode";
 165    public static final String ATTRIBUTES = "attributes";
 166
 167    public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
 168    public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
 169    public static final String ATTRIBUTE_NOTIFY_REPLIES = "notify_replies";
 170    public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
 171    public static final String ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS = "formerly_private_non_anonymous";
 172    public static final String ATTRIBUTE_PINNED_ON_TOP = "pinned_on_top";
 173    static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
 174    static final String ATTRIBUTE_MEMBERS_ONLY = "members_only";
 175    static final String ATTRIBUTE_MODERATED = "moderated";
 176    static final String ATTRIBUTE_NON_ANONYMOUS = "non_anonymous";
 177    private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
 178    private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
 179    private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
 180    private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
 181    private static final String ATTRIBUTE_CORRECTING_MESSAGE = "correcting_message";
 182    protected final ArrayList<Message> messages = new ArrayList<>();
 183    public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
 184    protected Account account = null;
 185    private String draftMessage;
 186    private final String name;
 187    private final String contactUuid;
 188    private final String accountUuid;
 189    private Jid contactJid;
 190    private int status;
 191    private final long created;
 192    private int mode;
 193    private JSONObject attributes;
 194    private Jid nextCounterpart;
 195    private transient MucOptions mucOptions = null;
 196    private boolean messagesLeftOnServer = true;
 197    private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
 198    private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
 199    private String mFirstMamReference = null;
 200    protected int mCurrentTab = -1;
 201    protected ConversationPagerAdapter pagerAdapter = new ConversationPagerAdapter();
 202    protected Element thread = null;
 203    protected boolean lockThread = false;
 204    protected boolean userSelectedThread = false;
 205    protected Message replyTo = null;
 206    protected HashMap<String, Thread> threads = new HashMap<>();
 207
 208    public Conversation(final String name, final Account account, final Jid contactJid,
 209                        final int mode) {
 210        this(java.util.UUID.randomUUID().toString(), name, null, account
 211                        .getUuid(), contactJid, System.currentTimeMillis(),
 212                STATUS_AVAILABLE, mode, "");
 213        this.account = account;
 214    }
 215
 216    public Conversation(final String uuid, final String name, final String contactUuid,
 217                        final String accountUuid, final Jid contactJid, final long created, final int status,
 218                        final int mode, final String attributes) {
 219        this.uuid = uuid;
 220        this.name = name;
 221        this.contactUuid = contactUuid;
 222        this.accountUuid = accountUuid;
 223        this.contactJid = contactJid;
 224        this.created = created;
 225        this.status = status;
 226        this.mode = mode;
 227        try {
 228            this.attributes = new JSONObject(attributes == null ? "" : attributes);
 229        } catch (JSONException e) {
 230            this.attributes = new JSONObject();
 231        }
 232    }
 233
 234    public static Conversation fromCursor(Cursor cursor) {
 235        return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
 236                cursor.getString(cursor.getColumnIndex(NAME)),
 237                cursor.getString(cursor.getColumnIndex(CONTACT)),
 238                cursor.getString(cursor.getColumnIndex(ACCOUNT)),
 239                JidHelper.parseOrFallbackToInvalid(cursor.getString(cursor.getColumnIndex(CONTACTJID))),
 240                cursor.getLong(cursor.getColumnIndex(CREATED)),
 241                cursor.getInt(cursor.getColumnIndex(STATUS)),
 242                cursor.getInt(cursor.getColumnIndex(MODE)),
 243                cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
 244    }
 245
 246    public static Message getLatestMarkableMessage(final List<Message> messages, boolean isPrivateAndNonAnonymousMuc) {
 247        for (int i = messages.size() - 1; i >= 0; --i) {
 248            final Message message = messages.get(i);
 249            if (message.getStatus() <= Message.STATUS_RECEIVED
 250                    && (message.markable || isPrivateAndNonAnonymousMuc)
 251                    && !message.isPrivateMessage()) {
 252                return message;
 253            }
 254        }
 255        return null;
 256    }
 257
 258    private static boolean suitableForOmemoByDefault(final Conversation conversation) {
 259        if (conversation.getJid().asBareJid().equals(Config.BUG_REPORTS)) {
 260            return false;
 261        }
 262        if (conversation.getContact().isOwnServer()) {
 263            return false;
 264        }
 265        final String contact = conversation.getJid().getDomain().toEscapedString();
 266        final String account = conversation.getAccount().getServer();
 267        if (Config.OMEMO_EXCEPTIONS.matchesContactDomain(contact) || Config.OMEMO_EXCEPTIONS.ACCOUNT_DOMAINS.contains(account)) {
 268            return false;
 269        }
 270        return conversation.isSingleOrPrivateAndNonAnonymous() || conversation.getBooleanAttribute(ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false);
 271    }
 272
 273    public boolean hasMessagesLeftOnServer() {
 274        return messagesLeftOnServer;
 275    }
 276
 277    public void setHasMessagesLeftOnServer(boolean value) {
 278        this.messagesLeftOnServer = value;
 279    }
 280
 281    public Message getFirstUnreadMessage() {
 282        Message first = null;
 283        synchronized (this.messages) {
 284            for (int i = messages.size() - 1; i >= 0; --i) {
 285                final Message message = messages.get(i);
 286                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
 287                if (message.isRead()) {
 288                    return first;
 289                } else {
 290                    first = message;
 291                }
 292            }
 293        }
 294        return first;
 295    }
 296
 297    public String findMostRecentRemoteDisplayableId() {
 298        final boolean multi = mode == Conversation.MODE_MULTI;
 299        synchronized (this.messages) {
 300            for (final Message message : Lists.reverse(this.messages)) {
 301                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
 302                if (message.getStatus() == Message.STATUS_RECEIVED) {
 303                    final String serverMsgId = message.getServerMsgId();
 304                    if (serverMsgId != null && multi) {
 305                        return serverMsgId;
 306                    }
 307                    return message.getRemoteMsgId();
 308                }
 309            }
 310        }
 311        return null;
 312    }
 313
 314    public int countFailedDeliveries() {
 315        int count = 0;
 316        synchronized (this.messages) {
 317            for(final Message message : this.messages) {
 318                if (message.getStatus() == Message.STATUS_SEND_FAILED) {
 319                    ++count;
 320                }
 321            }
 322        }
 323        return count;
 324    }
 325
 326    public Message getLastEditableMessage() {
 327        synchronized (this.messages) {
 328            for (final Message message : Lists.reverse(this.messages)) {
 329                if (message.isEditable()) {
 330                    if (message.isGeoUri() || message.getType() != Message.TYPE_TEXT) {
 331                        return null;
 332                    }
 333                    return message;
 334                }
 335            }
 336        }
 337        return null;
 338    }
 339
 340
 341    public Message findUnsentMessageWithUuid(String uuid) {
 342        synchronized (this.messages) {
 343            for (final Message message : this.messages) {
 344                final int s = message.getStatus();
 345                if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
 346                    return message;
 347                }
 348            }
 349        }
 350        return null;
 351    }
 352
 353    public void findWaitingMessages(OnMessageFound onMessageFound) {
 354        final ArrayList<Message> results = new ArrayList<>();
 355        synchronized (this.messages) {
 356            for (Message message : this.messages) {
 357                if (message.getStatus() == Message.STATUS_WAITING) {
 358                    results.add(message);
 359                }
 360            }
 361        }
 362        for (Message result : results) {
 363            onMessageFound.onMessageFound(result);
 364        }
 365    }
 366
 367    public void findUnreadMessagesAndCalls(OnMessageFound onMessageFound) {
 368        final ArrayList<Message> results = new ArrayList<>();
 369        synchronized (this.messages) {
 370            for (final Message message : this.messages) {
 371                if (message.isRead()) {
 372                    continue;
 373                }
 374                results.add(message);
 375            }
 376        }
 377        for (final Message result : results) {
 378            onMessageFound.onMessageFound(result);
 379        }
 380    }
 381
 382    public Message findMessageWithFileAndUuid(final String uuid) {
 383        synchronized (this.messages) {
 384            for (final Message message : this.messages) {
 385                final Transferable transferable = message.getTransferable();
 386                final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 387                if (message.getUuid().equals(uuid)
 388                        && message.getEncryption() != Message.ENCRYPTION_PGP
 389                        && (message.isFileOrImage() || message.treatAsDownloadable() || unInitiatedButKnownSize || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING))) {
 390                    return message;
 391                }
 392            }
 393        }
 394        return null;
 395    }
 396
 397    public Message findMessageWithUuid(final String uuid) {
 398        synchronized (this.messages) {
 399            for (final Message message : this.messages) {
 400                if (message.getUuid().equals(uuid)) {
 401                    return message;
 402                }
 403            }
 404        }
 405        return null;
 406    }
 407
 408    public boolean markAsDeleted(final List<String> uuids) {
 409        boolean deleted = false;
 410        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 411        synchronized (this.messages) {
 412            for (Message message : this.messages) {
 413                if (uuids.contains(message.getUuid())) {
 414                    message.setDeleted(true);
 415                    deleted = true;
 416                    if (message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 417                        pgpDecryptionService.discard(message);
 418                    }
 419                }
 420            }
 421        }
 422        return deleted;
 423    }
 424
 425    public boolean markAsChanged(final List<DatabaseBackend.FilePathInfo> files) {
 426        boolean changed = false;
 427        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 428        synchronized (this.messages) {
 429            for (Message message : this.messages) {
 430                for (final DatabaseBackend.FilePathInfo file : files)
 431                    if (file.uuid.toString().equals(message.getUuid())) {
 432                        message.setDeleted(file.deleted);
 433                        changed = true;
 434                        if (file.deleted && message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 435                            pgpDecryptionService.discard(message);
 436                        }
 437                    }
 438            }
 439        }
 440        return changed;
 441    }
 442
 443    public void clearMessages() {
 444        synchronized (this.messages) {
 445            this.messages.clear();
 446        }
 447    }
 448
 449    public boolean setIncomingChatState(ChatState state) {
 450        if (this.mIncomingChatState == state) {
 451            return false;
 452        }
 453        this.mIncomingChatState = state;
 454        return true;
 455    }
 456
 457    public ChatState getIncomingChatState() {
 458        return this.mIncomingChatState;
 459    }
 460
 461    public boolean setOutgoingChatState(ChatState state) {
 462        if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
 463            if (this.mOutgoingChatState != state) {
 464                this.mOutgoingChatState = state;
 465                return true;
 466            }
 467        }
 468        return false;
 469    }
 470
 471    public ChatState getOutgoingChatState() {
 472        return this.mOutgoingChatState;
 473    }
 474
 475    public void trim() {
 476        synchronized (this.messages) {
 477            final int size = messages.size();
 478            final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
 479            if (size > maxsize) {
 480                List<Message> discards = this.messages.subList(0, size - maxsize);
 481                final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 482                if (pgpDecryptionService != null) {
 483                    pgpDecryptionService.discard(discards);
 484                }
 485                discards.clear();
 486                untieMessages();
 487            }
 488        }
 489    }
 490
 491    public void findUnsentTextMessages(OnMessageFound onMessageFound) {
 492        final ArrayList<Message> results = new ArrayList<>();
 493        synchronized (this.messages) {
 494            for (Message message : this.messages) {
 495                if ((message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) && message.getStatus() == Message.STATUS_UNSEND) {
 496                    results.add(message);
 497                }
 498            }
 499        }
 500        for (Message result : results) {
 501            onMessageFound.onMessageFound(result);
 502        }
 503    }
 504
 505    public Message findSentMessageWithUuidOrRemoteId(String id) {
 506        synchronized (this.messages) {
 507            for (Message message : this.messages) {
 508                if (id.equals(message.getUuid())
 509                        || (message.getStatus() >= Message.STATUS_SEND
 510                        && id.equals(message.getRemoteMsgId()))) {
 511                    return message;
 512                }
 513            }
 514        }
 515        return null;
 516    }
 517
 518    public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart) {
 519        synchronized (this.messages) {
 520            for (int i = this.messages.size() - 1; i >= 0; --i) {
 521                final Message message = messages.get(i);
 522                final Jid mcp = message.getCounterpart();
 523                if (mcp == null && counterpart != null) {
 524                    continue;
 525                }
 526                if (counterpart == null || mcp.equals(counterpart) || mcp.asBareJid().equals(counterpart)) {
 527                    final boolean idMatch = id.equals(message.getUuid()) || id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id) || (getMode() == MODE_MULTI && id.equals(message.getServerMsgId()));
 528                    if (idMatch) return message;
 529                }
 530            }
 531        }
 532        return null;
 533    }
 534
 535    public Message findSentMessageWithUuid(String id) {
 536        synchronized (this.messages) {
 537            for (Message message : this.messages) {
 538                if (id.equals(message.getUuid())) {
 539                    return message;
 540                }
 541            }
 542        }
 543        return null;
 544    }
 545
 546    public Message findMessageWithRemoteId(String id, Jid counterpart) {
 547        synchronized (this.messages) {
 548            for (Message message : this.messages) {
 549                if (counterpart.equals(message.getCounterpart())
 550                        && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
 551                    return message;
 552                }
 553            }
 554        }
 555        return null;
 556    }
 557
 558    public Message findMessageWithServerMsgId(String id) {
 559        synchronized (this.messages) {
 560            for (Message message : this.messages) {
 561                if (id != null && id.equals(message.getServerMsgId())) {
 562                    return message;
 563                }
 564            }
 565        }
 566        return null;
 567    }
 568
 569    public boolean hasMessageWithCounterpart(Jid counterpart) {
 570        synchronized (this.messages) {
 571            for (Message message : this.messages) {
 572                if (counterpart.equals(message.getCounterpart())) {
 573                    return true;
 574                }
 575            }
 576        }
 577        return false;
 578    }
 579
 580    public Message findMessageReactingTo(String id, Jid reactor) {
 581        if (id == null) return null;
 582
 583        synchronized (this.messages) {
 584            for (int i = this.messages.size() - 1; i >= 0; --i) {
 585                final Message message = messages.get(i);
 586                if (reactor == null && message.getStatus() < Message.STATUS_SEND) continue;
 587                if (reactor != null && message.getCounterpart() == null) continue;
 588                if (reactor != null && !(message.getCounterpart().equals(reactor) || message.getCounterpart().asBareJid().equals(reactor))) continue;
 589
 590                final Element r = message.getReactions();
 591                if (r != null && r.getAttribute("id") != null && id.equals(r.getAttribute("id"))) {
 592                    return message;
 593                }
 594            }
 595        }
 596        return null;
 597    }
 598
 599    public List<Message> findMessagesBy(MucOptions.User user) {
 600        List<Message> result = new ArrayList<>();
 601        synchronized (this.messages) {
 602            for (Message m : this.messages) {
 603                // occupant id?
 604                final Jid trueCp = m.getTrueCounterpart();
 605                if (m.getCounterpart().equals(user.getFullJid()) || (trueCp != null && trueCp.equals(user.getRealJid()))) {
 606                    result.add(m);
 607                }
 608            }
 609        }
 610        return result;
 611    }
 612
 613    public Set<String> findReactionsTo(String id, Jid reactor) {
 614        Set<String> reactionEmoji = new HashSet<>();
 615        Message reactM = findMessageReactingTo(id, reactor);
 616        Element reactions = reactM == null ? null : reactM.getReactions();
 617        if (reactions != null) {
 618            for (Element el : reactions.getChildren()) {
 619                if (el.getName().equals("reaction") && el.getNamespace().equals("urn:xmpp:reactions:0")) {
 620                    reactionEmoji.add(el.getContent());
 621                }
 622            }
 623        }
 624        return reactionEmoji;
 625    }
 626
 627    public Set<Message> findReplies(String id) {
 628        Set<Message> replies = new HashSet<>();
 629        if (id == null) return replies;
 630
 631        synchronized (this.messages) {
 632            for (int i = this.messages.size() - 1; i >= 0; --i) {
 633                final Message message = messages.get(i);
 634                if (id.equals(message.getServerMsgId())) break;
 635                if (id.equals(message.getUuid())) break;
 636                final Element r = message.getReply();
 637                if (r != null && r.getAttribute("id") != null && id.equals(r.getAttribute("id"))) {
 638                    replies.add(message);
 639                }
 640            }
 641        }
 642        return replies;
 643    }
 644
 645    public long loadMoreTimestamp() {
 646        if (messages.size() < 1) return 0;
 647        if (getLockThread() && messages.size() > 5000) return 0;
 648
 649        if (messages.get(0).getType() == Message.TYPE_STATUS && messages.size() >= 2) {
 650            return messages.get(1).getTimeSent();
 651        } else {
 652            return messages.get(0).getTimeSent();
 653        }
 654    }
 655
 656    public void populateWithMessages(final List<Message> messages) {
 657        synchronized (this.messages) {
 658            messages.clear();
 659            messages.addAll(this.messages);
 660            threads.clear();
 661        }
 662        Set<String> extraIds = new HashSet<>();
 663        for (ListIterator<Message> iterator = messages.listIterator(messages.size()); iterator.hasPrevious(); ) {
 664            Message m = iterator.previous();
 665            final Element mthread = m.getThread();
 666            if (mthread != null) {
 667                Thread thread = threads.get(mthread.getContent());
 668                if (thread == null) {
 669                    thread = new Thread(mthread.getContent());
 670                    threads.put(mthread.getContent(), thread);
 671                }
 672                if (thread.subject == null && (m.getSubject() != null && !m.isOOb() && (m.getRawBody() == null || m.getRawBody().length() == 0))) {
 673                    thread.subject = m;
 674                } else {
 675                    if (thread.last == null) thread.last = m;
 676                    thread.first = m;
 677                }
 678            }
 679            if (m.wasMergedIntoPrevious() || (m.getSubject() != null && !m.isOOb() && (m.getRawBody() == null || m.getRawBody().length() == 0)) || (getLockThread() && !extraIds.contains(m.replyId()) && (mthread == null || !mthread.getContent().equals(getThread() == null ? "" : getThread().getContent())))) {
 680                iterator.remove();
 681            } else if (getLockThread() && mthread != null) {
 682                Element reply = m.getReply();
 683                if (reply != null && reply.getAttribute("id") != null) extraIds.add(reply.getAttribute("id"));
 684                Element reactions = m.getReactions();
 685                if (reactions != null && reactions.getAttribute("id") != null) extraIds.add(reactions.getAttribute("id"));
 686            }
 687        }
 688    }
 689
 690    public Thread getThread(String id) {
 691        return threads.get(id);
 692    }
 693
 694    public List<Thread> recentThreads() {
 695        final ArrayList<Thread> recent = new ArrayList<>();
 696        recent.addAll(threads.values());
 697        recent.sort((a, b) -> b.getLastTime() == a.getLastTime() ? 0 : (b.getLastTime() > a.getLastTime() ? 1 : -1));
 698        return recent.size() < 5 ? recent : recent.subList(0, 5);
 699    }
 700
 701    @Override
 702    public boolean isBlocked() {
 703        return getContact().isBlocked();
 704    }
 705
 706    @Override
 707    public boolean isDomainBlocked() {
 708        return getContact().isDomainBlocked();
 709    }
 710
 711    @Override
 712    public Jid getBlockedJid() {
 713        return getContact().getBlockedJid();
 714    }
 715
 716    public int countMessages() {
 717        synchronized (this.messages) {
 718            return this.messages.size();
 719        }
 720    }
 721
 722    public String getFirstMamReference() {
 723        return this.mFirstMamReference;
 724    }
 725
 726    public void setFirstMamReference(String reference) {
 727        this.mFirstMamReference = reference;
 728    }
 729
 730    public void setLastClearHistory(long time, String reference) {
 731        if (reference != null) {
 732            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time + ":" + reference);
 733        } else {
 734            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
 735        }
 736    }
 737
 738    public MamReference getLastClearHistory() {
 739        return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
 740    }
 741
 742    public List<Jid> getAcceptedCryptoTargets() {
 743        if (mode == MODE_SINGLE) {
 744            return Collections.singletonList(getJid().asBareJid());
 745        } else {
 746            return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
 747        }
 748    }
 749
 750    public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
 751        setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
 752    }
 753
 754    public boolean setCorrectingMessage(Message correctingMessage) {
 755        setAttribute(ATTRIBUTE_CORRECTING_MESSAGE, correctingMessage == null ? null : correctingMessage.getUuid());
 756        return correctingMessage == null && draftMessage != null;
 757    }
 758
 759    public Message getCorrectingMessage() {
 760        final String uuid = getAttribute(ATTRIBUTE_CORRECTING_MESSAGE);
 761        return uuid == null ? null : findSentMessageWithUuid(uuid);
 762    }
 763
 764    public boolean withSelf() {
 765        return getContact().isSelf();
 766    }
 767
 768    @Override
 769    public int compareTo(@NonNull Conversation another) {
 770        return ComparisonChain.start()
 771                .compareFalseFirst(another.getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false), getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false))
 772                .compare(another.getSortableTime(), getSortableTime())
 773                .result();
 774    }
 775
 776    public long getSortableTime() {
 777        Draft draft = getDraft();
 778        long messageTime = getLatestMessage().getTimeReceived();
 779        if (draft == null) {
 780            return messageTime;
 781        } else {
 782            return Math.max(messageTime, draft.getTimestamp());
 783        }
 784    }
 785
 786    public String getDraftMessage() {
 787        return draftMessage;
 788    }
 789
 790    public void setDraftMessage(String draftMessage) {
 791        this.draftMessage = draftMessage;
 792    }
 793
 794    public Element getThread() {
 795        return this.thread;
 796    }
 797
 798    public void setThread(Element thread) {
 799        this.thread = thread;
 800    }
 801
 802    public void setLockThread(boolean flag) {
 803        this.lockThread = flag;
 804        if (flag) setUserSelectedThread(true);
 805    }
 806
 807    public boolean getLockThread() {
 808        return this.lockThread;
 809    }
 810
 811    public void setUserSelectedThread(boolean flag) {
 812        this.userSelectedThread = flag;
 813    }
 814
 815    public boolean getUserSelectedThread() {
 816        return this.userSelectedThread;
 817    }
 818
 819    public void setReplyTo(Message m) {
 820        this.replyTo = m;
 821    }
 822
 823    public Message getReplyTo() {
 824        return this.replyTo;
 825    }
 826
 827    public boolean isRead() {
 828        synchronized (this.messages) {
 829            for(final Message message : Lists.reverse(this.messages)) {
 830                if (message.isRead() && message.getType() == Message.TYPE_RTP_SESSION) {
 831                    continue;
 832                }
 833                return message.isRead();
 834            }
 835            return true;
 836        }
 837    }
 838
 839    public List<Message> markRead(String upToUuid) {
 840        final List<Message> unread = new ArrayList<>();
 841        synchronized (this.messages) {
 842            for (Message message : this.messages) {
 843                if (!message.isRead()) {
 844                    message.markRead();
 845                    unread.add(message);
 846                }
 847                if (message.getUuid().equals(upToUuid)) {
 848                    return unread;
 849                }
 850            }
 851        }
 852        return unread;
 853    }
 854
 855    public Message getLatestMessage() {
 856        synchronized (this.messages) {
 857            if (this.messages.size() == 0) {
 858                Message message = new Message(this, "", Message.ENCRYPTION_NONE);
 859                message.setType(Message.TYPE_STATUS);
 860                message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 861                message.setTimeReceived(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 862                return message;
 863            } else {
 864                return this.messages.get(this.messages.size() - 1);
 865            }
 866        }
 867    }
 868
 869    public @NonNull
 870    CharSequence getName() {
 871        if (getMode() == MODE_MULTI) {
 872            final String roomName = getMucOptions().getName();
 873            final String subject = getMucOptions().getSubject();
 874            final Bookmark bookmark = getBookmark();
 875            final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
 876            if (printableValue(roomName)) {
 877                return roomName;
 878            } else if (printableValue(subject)) {
 879                return subject;
 880            } else if (printableValue(bookmarkName, false)) {
 881                return bookmarkName;
 882            } else {
 883                final String generatedName = getMucOptions().createNameFromParticipants();
 884                if (printableValue(generatedName)) {
 885                    return generatedName;
 886                } else {
 887                    return contactJid.getLocal() != null ? contactJid.getLocal() : contactJid;
 888                }
 889            }
 890        } else {
 891            return this.getContact().getDisplayName();
 892        }
 893    }
 894
 895    public String getAccountUuid() {
 896        return this.accountUuid;
 897    }
 898
 899    public Account getAccount() {
 900        return this.account;
 901    }
 902
 903    public void setAccount(final Account account) {
 904        this.account = account;
 905    }
 906
 907    public Contact getContact() {
 908        return this.account.getRoster().getContact(this.contactJid);
 909    }
 910
 911    @Override
 912    public Jid getJid() {
 913        return this.contactJid;
 914    }
 915
 916    public int getStatus() {
 917        return this.status;
 918    }
 919
 920    public void setStatus(int status) {
 921        this.status = status;
 922    }
 923
 924    public long getCreated() {
 925        return this.created;
 926    }
 927
 928    public ContentValues getContentValues() {
 929        ContentValues values = new ContentValues();
 930        values.put(UUID, uuid);
 931        values.put(NAME, name);
 932        values.put(CONTACT, contactUuid);
 933        values.put(ACCOUNT, accountUuid);
 934        values.put(CONTACTJID, contactJid.toString());
 935        values.put(CREATED, created);
 936        values.put(STATUS, status);
 937        values.put(MODE, mode);
 938        synchronized (this.attributes) {
 939            values.put(ATTRIBUTES, attributes.toString());
 940        }
 941        return values;
 942    }
 943
 944    public int getMode() {
 945        return this.mode;
 946    }
 947
 948    public void setMode(int mode) {
 949        this.mode = mode;
 950    }
 951
 952    /**
 953     * short for is Private and Non-anonymous
 954     */
 955    public boolean isSingleOrPrivateAndNonAnonymous() {
 956        return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
 957    }
 958
 959    public boolean isPrivateAndNonAnonymous() {
 960        return getMucOptions().isPrivateAndNonAnonymous();
 961    }
 962
 963    public synchronized MucOptions getMucOptions() {
 964        if (this.mucOptions == null) {
 965            this.mucOptions = new MucOptions(this);
 966        }
 967        return this.mucOptions;
 968    }
 969
 970    public void resetMucOptions() {
 971        this.mucOptions = null;
 972    }
 973
 974    public void setContactJid(final Jid jid) {
 975        this.contactJid = jid;
 976    }
 977
 978    public Jid getNextCounterpart() {
 979        return this.nextCounterpart;
 980    }
 981
 982    public void setNextCounterpart(Jid jid) {
 983        this.nextCounterpart = jid;
 984    }
 985
 986    public int getNextEncryption() {
 987        if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
 988            return Message.ENCRYPTION_NONE;
 989        }
 990        if (OmemoSetting.isAlways()) {
 991            return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
 992        }
 993        final int defaultEncryption;
 994        if (suitableForOmemoByDefault(this)) {
 995            defaultEncryption = OmemoSetting.getEncryption();
 996        } else {
 997            defaultEncryption = Message.ENCRYPTION_NONE;
 998        }
 999        int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
1000        if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
1001            return defaultEncryption;
1002        } else {
1003            return encryption;
1004        }
1005    }
1006
1007    public boolean setNextEncryption(int encryption) {
1008        return this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, encryption);
1009    }
1010
1011    public String getNextMessage() {
1012        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
1013        return nextMessage == null ? "" : nextMessage;
1014    }
1015
1016    public @Nullable
1017    Draft getDraft() {
1018        long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
1019        if (timestamp > getLatestMessage().getTimeSent()) {
1020            String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
1021            if (!TextUtils.isEmpty(message) && timestamp != 0) {
1022                return new Draft(message, timestamp);
1023            }
1024        }
1025        return null;
1026    }
1027
1028    public boolean setNextMessage(final String input) {
1029        final String message = input == null || input.trim().isEmpty() ? null : input;
1030        boolean changed = !getNextMessage().equals(message);
1031        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
1032        if (changed) {
1033            this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, message == null ? 0 : System.currentTimeMillis());
1034        }
1035        return changed;
1036    }
1037
1038    public Bookmark getBookmark() {
1039        return this.account.getBookmark(this.contactJid);
1040    }
1041
1042    public Message findDuplicateMessage(Message message) {
1043        synchronized (this.messages) {
1044            for (int i = this.messages.size() - 1; i >= 0; --i) {
1045                if (this.messages.get(i).similar(message)) {
1046                    return this.messages.get(i);
1047                }
1048            }
1049        }
1050        return null;
1051    }
1052
1053    public boolean hasDuplicateMessage(Message message) {
1054        return findDuplicateMessage(message) != null;
1055    }
1056
1057    public Message findSentMessageWithBody(String body) {
1058        synchronized (this.messages) {
1059            for (int i = this.messages.size() - 1; i >= 0; --i) {
1060                Message message = this.messages.get(i);
1061                if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
1062                    String otherBody;
1063                    if (message.hasFileOnRemoteHost()) {
1064                        otherBody = message.getFileParams().url;
1065                    } else {
1066                        otherBody = message.body;
1067                    }
1068                    if (otherBody != null && otherBody.equals(body)) {
1069                        return message;
1070                    }
1071                }
1072            }
1073            return null;
1074        }
1075    }
1076
1077    public Message findRtpSession(final String sessionId, final int s) {
1078        synchronized (this.messages) {
1079            for (int i = this.messages.size() - 1; i >= 0; --i) {
1080                final Message message = this.messages.get(i);
1081                if ((message.getStatus() == s) && (message.getType() == Message.TYPE_RTP_SESSION) && sessionId.equals(message.getRemoteMsgId())) {
1082                    return message;
1083                }
1084            }
1085        }
1086        return null;
1087    }
1088
1089    public boolean possibleDuplicate(final String serverMsgId, final String remoteMsgId) {
1090        if (serverMsgId == null || remoteMsgId == null) {
1091            return false;
1092        }
1093        synchronized (this.messages) {
1094            for (Message message : this.messages) {
1095                if (serverMsgId.equals(message.getServerMsgId()) || remoteMsgId.equals(message.getRemoteMsgId())) {
1096                    return true;
1097                }
1098            }
1099        }
1100        return false;
1101    }
1102
1103    public MamReference getLastMessageTransmitted() {
1104        final MamReference lastClear = getLastClearHistory();
1105        MamReference lastReceived = new MamReference(0);
1106        synchronized (this.messages) {
1107            for (int i = this.messages.size() - 1; i >= 0; --i) {
1108                final Message message = this.messages.get(i);
1109                if (message.isPrivateMessage()) {
1110                    continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
1111                }
1112                if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
1113                    lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
1114                    break;
1115                }
1116            }
1117        }
1118        return MamReference.max(lastClear, lastReceived);
1119    }
1120
1121    public void setMutedTill(long value) {
1122        this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
1123    }
1124
1125    public boolean isMuted() {
1126        return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
1127    }
1128
1129    public boolean alwaysNotify() {
1130        return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
1131    }
1132
1133    public boolean notifyReplies() {
1134        return alwaysNotify() || getBooleanAttribute(ATTRIBUTE_NOTIFY_REPLIES, false);
1135    }
1136
1137    public boolean setAttribute(String key, boolean value) {
1138        return setAttribute(key, String.valueOf(value));
1139    }
1140
1141    private boolean setAttribute(String key, long value) {
1142        return setAttribute(key, Long.toString(value));
1143    }
1144
1145    private boolean setAttribute(String key, int value) {
1146        return setAttribute(key, String.valueOf(value));
1147    }
1148
1149    public boolean setAttribute(String key, String value) {
1150        synchronized (this.attributes) {
1151            try {
1152                if (value == null) {
1153                    if (this.attributes.has(key)) {
1154                        this.attributes.remove(key);
1155                        return true;
1156                    } else {
1157                        return false;
1158                    }
1159                } else {
1160                    final String prev = this.attributes.optString(key, null);
1161                    this.attributes.put(key, value);
1162                    return !value.equals(prev);
1163                }
1164            } catch (JSONException e) {
1165                throw new AssertionError(e);
1166            }
1167        }
1168    }
1169
1170    public boolean setAttribute(String key, List<Jid> jids) {
1171        JSONArray array = new JSONArray();
1172        for (Jid jid : jids) {
1173            array.put(jid.asBareJid().toString());
1174        }
1175        synchronized (this.attributes) {
1176            try {
1177                this.attributes.put(key, array);
1178                return true;
1179            } catch (JSONException e) {
1180                return false;
1181            }
1182        }
1183    }
1184
1185    public String getAttribute(String key) {
1186        synchronized (this.attributes) {
1187            return this.attributes.optString(key, null);
1188        }
1189    }
1190
1191    private List<Jid> getJidListAttribute(String key) {
1192        ArrayList<Jid> list = new ArrayList<>();
1193        synchronized (this.attributes) {
1194            try {
1195                JSONArray array = this.attributes.getJSONArray(key);
1196                for (int i = 0; i < array.length(); ++i) {
1197                    try {
1198                        list.add(Jid.of(array.getString(i)));
1199                    } catch (IllegalArgumentException e) {
1200                        //ignored
1201                    }
1202                }
1203            } catch (JSONException e) {
1204                //ignored
1205            }
1206        }
1207        return list;
1208    }
1209
1210    private int getIntAttribute(String key, int defaultValue) {
1211        String value = this.getAttribute(key);
1212        if (value == null) {
1213            return defaultValue;
1214        } else {
1215            try {
1216                return Integer.parseInt(value);
1217            } catch (NumberFormatException e) {
1218                return defaultValue;
1219            }
1220        }
1221    }
1222
1223    public long getLongAttribute(String key, long defaultValue) {
1224        String value = this.getAttribute(key);
1225        if (value == null) {
1226            return defaultValue;
1227        } else {
1228            try {
1229                return Long.parseLong(value);
1230            } catch (NumberFormatException e) {
1231                return defaultValue;
1232            }
1233        }
1234    }
1235
1236    public boolean getBooleanAttribute(String key, boolean defaultValue) {
1237        String value = this.getAttribute(key);
1238        if (value == null) {
1239            return defaultValue;
1240        } else {
1241            return Boolean.parseBoolean(value);
1242        }
1243    }
1244
1245    public void add(Message message) {
1246        synchronized (this.messages) {
1247            this.messages.add(message);
1248        }
1249    }
1250
1251    public void prepend(int offset, Message message) {
1252        synchronized (this.messages) {
1253            this.messages.add(Math.min(offset, this.messages.size()), message);
1254        }
1255    }
1256
1257    public void addAll(int index, List<Message> messages) {
1258        synchronized (this.messages) {
1259            this.messages.addAll(index, messages);
1260        }
1261        account.getPgpDecryptionService().decrypt(messages);
1262    }
1263
1264    public void expireOldMessages(long timestamp) {
1265        synchronized (this.messages) {
1266            for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
1267                if (iterator.next().getTimeSent() < timestamp) {
1268                    iterator.remove();
1269                }
1270            }
1271            untieMessages();
1272        }
1273    }
1274
1275    public void sort() {
1276        synchronized (this.messages) {
1277            Collections.sort(this.messages, (left, right) -> {
1278                if (left.getTimeSent() < right.getTimeSent()) {
1279                    return -1;
1280                } else if (left.getTimeSent() > right.getTimeSent()) {
1281                    return 1;
1282                } else {
1283                    return 0;
1284                }
1285            });
1286            untieMessages();
1287        }
1288    }
1289
1290    private void untieMessages() {
1291        for (Message message : this.messages) {
1292            message.untie();
1293        }
1294    }
1295
1296    public int unreadCount() {
1297        synchronized (this.messages) {
1298            int count = 0;
1299            for(final Message message : Lists.reverse(this.messages)) {
1300                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
1301                if (message.isRead()) {
1302                    if (message.getType() == Message.TYPE_RTP_SESSION) {
1303                        continue;
1304                    }
1305                    return count;
1306                }
1307                ++count;
1308            }
1309            return count;
1310        }
1311    }
1312
1313    public int receivedMessagesCount() {
1314        int count = 0;
1315        synchronized (this.messages) {
1316            for (Message message : messages) {
1317                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
1318                if (message.getStatus() == Message.STATUS_RECEIVED) {
1319                    ++count;
1320                }
1321            }
1322        }
1323        return count;
1324    }
1325
1326    public int sentMessagesCount() {
1327        int count = 0;
1328        synchronized (this.messages) {
1329            for (Message message : messages) {
1330                if (message.getStatus() != Message.STATUS_RECEIVED) {
1331                    ++count;
1332                }
1333            }
1334        }
1335        return count;
1336    }
1337
1338    public boolean canInferPresence() {
1339        final Contact contact = getContact();
1340        if (contact != null && contact.canInferPresence()) return true;
1341        return sentMessagesCount() > 0;
1342    }
1343
1344    public boolean isWithStranger() {
1345        final Contact contact = getContact();
1346        return mode == MODE_SINGLE
1347                && !contact.isOwnServer()
1348                && !contact.showInContactList()
1349                && !contact.isSelf()
1350                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1351                && sentMessagesCount() == 0;
1352    }
1353
1354    public int getReceivedMessagesCountSinceUuid(String uuid) {
1355        if (uuid == null) {
1356            return 0;
1357        }
1358        int count = 0;
1359        synchronized (this.messages) {
1360            for (int i = messages.size() - 1; i >= 0; i--) {
1361                final Message message = messages.get(i);
1362                if (uuid.equals(message.getUuid())) {
1363                    return count;
1364                }
1365                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1366                    ++count;
1367                }
1368            }
1369        }
1370        return 0;
1371    }
1372
1373    @Override
1374    public int getAvatarBackgroundColor() {
1375        return UIHelper.getColorForName(getName().toString());
1376    }
1377
1378    @Override
1379    public String getAvatarName() {
1380        return getName().toString();
1381    }
1382
1383    public void setCurrentTab(int tab) {
1384        mCurrentTab = tab;
1385    }
1386
1387    public int getCurrentTab() {
1388        if (mCurrentTab >= 0) return mCurrentTab;
1389
1390        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1391            return 0;
1392        }
1393
1394        return 1;
1395    }
1396
1397    public void refreshSessions() {
1398        pagerAdapter.refreshSessions();
1399    }
1400
1401    public void startWebxdc(WebxdcPage page) {
1402        pagerAdapter.startWebxdc(page);
1403    }
1404
1405    public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1406        pagerAdapter.startCommand(command, xmppConnectionService);
1407    }
1408
1409    public boolean switchToSession(final String node) {
1410        return pagerAdapter.switchToSession(node);
1411    }
1412
1413    public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding, Conversation oldConversation) {
1414        pagerAdapter.setupViewPager(pager, tabs, onboarding, oldConversation);
1415    }
1416
1417    public void showViewPager() {
1418        pagerAdapter.show();
1419    }
1420
1421    public void hideViewPager() {
1422        pagerAdapter.hide();
1423    }
1424
1425    public interface OnMessageFound {
1426        void onMessageFound(final Message message);
1427    }
1428
1429    public static class Draft {
1430        private final String message;
1431        private final long timestamp;
1432
1433        private Draft(String message, long timestamp) {
1434            this.message = message;
1435            this.timestamp = timestamp;
1436        }
1437
1438        public long getTimestamp() {
1439            return timestamp;
1440        }
1441
1442        public String getMessage() {
1443            return message;
1444        }
1445    }
1446
1447    public class ConversationPagerAdapter extends PagerAdapter {
1448        protected ViewPager mPager = null;
1449        protected TabLayout mTabs = null;
1450        ArrayList<ConversationPage> sessions = null;
1451        protected View page1 = null;
1452        protected View page2 = null;
1453        protected boolean mOnboarding = false;
1454
1455        public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding, Conversation oldConversation) {
1456            mPager = pager;
1457            mTabs = tabs;
1458            mOnboarding = onboarding;
1459
1460            if (oldConversation != null) {
1461                oldConversation.pagerAdapter.mPager = null;
1462                oldConversation.pagerAdapter.mTabs = null;
1463            }
1464
1465            if (mPager == null) {
1466                page1 = null;
1467                page2 = null;
1468                return;
1469            }
1470            if (sessions != null) show();
1471
1472            if (pager.getChildAt(0) != null) page1 = pager.getChildAt(0);
1473            if (pager.getChildAt(1) != null) page2 = pager.getChildAt(1);
1474            if (page2 != null && page2.findViewById(R.id.commands_view) == null) {
1475                page1 = null;
1476                page2 = null;
1477            }
1478            if (page1 == null) page1 = oldConversation.pagerAdapter.page1;
1479            if (page2 == null) page2 = oldConversation.pagerAdapter.page2;
1480            if (page1 == null || page2 == null) {
1481                throw new IllegalStateException("page1 or page2 were not present as child or in model?");
1482            }
1483            pager.removeView(page1);
1484            pager.removeView(page2);
1485            pager.setAdapter(this);
1486            tabs.setupWithViewPager(mPager);
1487            pager.post(() -> pager.setCurrentItem(getCurrentTab()));
1488
1489            mPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
1490                public void onPageScrollStateChanged(int state) { }
1491                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
1492
1493                public void onPageSelected(int position) {
1494                    setCurrentTab(position);
1495                }
1496            });
1497        }
1498
1499        public void show() {
1500            if (sessions == null) {
1501                sessions = new ArrayList<>();
1502                notifyDataSetChanged();
1503            }
1504            if (!mOnboarding && mTabs != null) mTabs.setVisibility(View.VISIBLE);
1505        }
1506
1507        public void hide() {
1508            if (sessions != null && !sessions.isEmpty()) return; // Do not hide during active session
1509            if (mPager != null) mPager.setCurrentItem(0);
1510            if (mTabs != null) mTabs.setVisibility(View.GONE);
1511            sessions = null;
1512            notifyDataSetChanged();
1513        }
1514
1515        public void refreshSessions() {
1516            if (sessions == null) return;
1517
1518            for (ConversationPage session : sessions) {
1519                session.refresh();
1520            }
1521        }
1522
1523        public void startWebxdc(WebxdcPage page) {
1524            show();
1525            sessions.add(page);
1526            notifyDataSetChanged();
1527            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1528        }
1529
1530        public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1531            show();
1532            CommandSession session = new CommandSession(command.getAttribute("name"), command.getAttribute("node"), xmppConnectionService);
1533
1534            final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
1535            packet.setTo(command.getAttributeAsJid("jid"));
1536            final Element c = packet.addChild("command", Namespace.COMMANDS);
1537            c.setAttribute("node", command.getAttribute("node"));
1538            c.setAttribute("action", "execute");
1539
1540            final TimerTask task = new TimerTask() {
1541                @Override
1542                public void run() {
1543                    if (getAccount().getStatus() != Account.State.ONLINE) {
1544                        final TimerTask self = this;
1545                        new Timer().schedule(new TimerTask() {
1546                            @Override
1547                            public void run() {
1548                                self.run();
1549                            }
1550                        }, 1000);
1551                    } else {
1552                        xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1553                            session.updateWithResponse(iq);
1554                        }, 120L);
1555                    }
1556                }
1557            };
1558
1559            if (command.getAttribute("node").equals("jabber:iq:register") && packet.getTo().asBareJid().equals(Jid.of("cheogram.com"))) {
1560                new com.cheogram.android.CheogramLicenseChecker(mPager.getContext(), (signedData, signature) -> {
1561                    if (signedData != null && signature != null) {
1562                        c.addChild("license", "https://ns.cheogram.com/google-play").setContent(signedData);
1563                        c.addChild("licenseSignature", "https://ns.cheogram.com/google-play").setContent(signature);
1564                    }
1565
1566                    task.run();
1567                }).checkLicense();
1568            } else {
1569                task.run();
1570            }
1571
1572            sessions.add(session);
1573            notifyDataSetChanged();
1574            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1575        }
1576
1577        public void removeSession(ConversationPage session) {
1578            sessions.remove(session);
1579            notifyDataSetChanged();
1580            if (session instanceof WebxdcPage) mPager.setCurrentItem(0);
1581        }
1582
1583        public boolean switchToSession(final String node) {
1584            if (sessions == null) return false;
1585
1586            int i = 0;
1587            for (ConversationPage session : sessions) {
1588                if (session.getNode().equals(node)) {
1589                    if (mPager != null) mPager.setCurrentItem(i + 2);
1590                    return true;
1591                }
1592                i++;
1593            }
1594
1595            return false;
1596        }
1597
1598        @NonNull
1599        @Override
1600        public Object instantiateItem(@NonNull ViewGroup container, int position) {
1601            if (position == 0) {
1602                if (page1 != null && page1.getParent() != null) {
1603                    ((ViewGroup) page1.getParent()).removeView(page1);
1604                }
1605                container.addView(page1);
1606                return page1;
1607            }
1608            if (position == 1) {
1609                if (page2 != null && page2.getParent() != null) {
1610                    ((ViewGroup) page2.getParent()).removeView(page2);
1611                }
1612                container.addView(page2);
1613                return page2;
1614            }
1615
1616            ConversationPage session = sessions.get(position-2);
1617            View v = session.inflateUi(container.getContext(), (s) -> removeSession(s));
1618            if (v != null && v.getParent() != null) {
1619                ((ViewGroup) v.getParent()).removeView(v);
1620            }
1621            container.addView(v);
1622            return session;
1623        }
1624
1625        @Override
1626        public void destroyItem(@NonNull ViewGroup container, int position, Object o) {
1627            if (position < 2) {
1628                container.removeView((View) o);
1629                return;
1630            }
1631
1632            container.removeView(((ConversationPage) o).getView());
1633        }
1634
1635        @Override
1636        public int getItemPosition(Object o) {
1637            if (mPager != null) {
1638                if (o == page1) return PagerAdapter.POSITION_UNCHANGED;
1639                if (o == page2) return PagerAdapter.POSITION_UNCHANGED;
1640            }
1641
1642            int pos = sessions == null ? -1 : sessions.indexOf(o);
1643            if (pos < 0) return PagerAdapter.POSITION_NONE;
1644            return pos + 2;
1645        }
1646
1647        @Override
1648        public int getCount() {
1649            if (sessions == null) return 1;
1650
1651            int count = 2 + sessions.size();
1652            if (mTabs == null) return count;
1653
1654            if (count > 2) {
1655                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1656            } else {
1657                mTabs.setTabMode(TabLayout.MODE_FIXED);
1658            }
1659            return count;
1660        }
1661
1662        @Override
1663        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1664            if (view == o) return true;
1665
1666            if (o instanceof ConversationPage) {
1667                return ((ConversationPage) o).getView() == view;
1668            }
1669
1670            return false;
1671        }
1672
1673        @Nullable
1674        @Override
1675        public CharSequence getPageTitle(int position) {
1676            switch (position) {
1677                case 0:
1678                    return "Conversation";
1679                case 1:
1680                    return "Commands";
1681                default:
1682                    ConversationPage session = sessions.get(position-2);
1683                    if (session == null) return super.getPageTitle(position);
1684                    return session.getTitle();
1685            }
1686        }
1687
1688        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> implements ConversationPage {
1689            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1690                protected T binding;
1691
1692                public ViewHolder(T binding) {
1693                    super(binding.getRoot());
1694                    this.binding = binding;
1695                }
1696
1697                abstract public void bind(Item el);
1698
1699                protected void setTextOrHide(TextView v, Optional<String> s) {
1700                    if (s == null || !s.isPresent()) {
1701                        v.setVisibility(View.GONE);
1702                    } else {
1703                        v.setVisibility(View.VISIBLE);
1704                        v.setText(s.get());
1705                    }
1706                }
1707
1708                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1709                    int flags = 0;
1710                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1711                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1712
1713                    String type = field.getAttribute("type");
1714                    if (type != null) {
1715                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1716                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1717                        }
1718
1719                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1720
1721                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1722                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1723                        }
1724
1725                        if (type.equals("text-private")) {
1726                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1727                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1728                        }
1729                    }
1730
1731                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1732                    if (validate == null) return;
1733                    String datatype = validate.getAttribute("datatype");
1734                    if (datatype == null) return;
1735
1736                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1737                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1738                    }
1739
1740                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1741                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1742                    }
1743
1744                    if (datatype.equals("xs:date")) {
1745                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1746                    }
1747
1748                    if (datatype.equals("xs:dateTime")) {
1749                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1750                    }
1751
1752                    if (datatype.equals("xs:time")) {
1753                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1754                    }
1755
1756                    if (datatype.equals("xs:anyURI")) {
1757                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1758                    }
1759
1760                    if (datatype.equals("html:tel")) {
1761                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1762                    }
1763
1764                    if (datatype.equals("html:email")) {
1765                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1766                    }
1767                }
1768
1769                protected String formatValue(String datatype, String value, boolean compact) {
1770                    if ("xs:dateTime".equals(datatype)) {
1771                        ZonedDateTime zonedDateTime = null;
1772                        try {
1773                            zonedDateTime = ZonedDateTime.parse(value, DateTimeFormatter.ISO_DATE_TIME);
1774                        } catch (final DateTimeParseException e) {
1775                            try {
1776                                DateTimeFormatter almostIso = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm[:ss] X");
1777                                zonedDateTime = ZonedDateTime.parse(value, almostIso);
1778                            } catch (final DateTimeParseException e2) { }
1779                        }
1780                        if (zonedDateTime == null) return value;
1781                        ZonedDateTime localZonedDateTime = zonedDateTime.withZoneSameInstant(ZoneId.systemDefault());
1782                        DateTimeFormatter outputFormat = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT);
1783                        return localZonedDateTime.toLocalDateTime().format(outputFormat);
1784                    }
1785
1786                    if ("html:tel".equals(datatype) && !compact) {
1787                        return PhoneNumberUtils.formatNumber(value, value, null);
1788                    }
1789
1790                    return value;
1791                }
1792            }
1793
1794            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1795                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1796
1797                @Override
1798                public void bind(Item iq) {
1799                    binding.errorIcon.setVisibility(View.VISIBLE);
1800
1801                    Element error = iq.el.findChild("error");
1802                    if (error == null) return;
1803                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1804                    if (text == null || text.equals("")) {
1805                        text = error.getChildren().get(0).getName();
1806                    }
1807                    binding.message.setText(text);
1808                }
1809            }
1810
1811            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1812                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1813
1814                @Override
1815                public void bind(Item note) {
1816                    binding.message.setText(note != null && note.el != null ? note.el.getContent() : "");
1817
1818                    String type = note.el.getAttribute("type");
1819                    if (type != null && type.equals("error")) {
1820                        binding.errorIcon.setVisibility(View.VISIBLE);
1821                    }
1822                }
1823            }
1824
1825            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1826                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1827
1828                @Override
1829                public void bind(Item item) {
1830                    Field field = (Field) item;
1831                    setTextOrHide(binding.label, field.getLabel());
1832                    setTextOrHide(binding.desc, field.getDesc());
1833
1834                    Element media = field.el.findChild("media", "urn:xmpp:media-element");
1835                    if (media == null) {
1836                        binding.mediaImage.setVisibility(View.GONE);
1837                    } else {
1838                        final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
1839                        final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
1840                        for (Element uriEl : media.getChildren()) {
1841                            if (!"uri".equals(uriEl.getName())) continue;
1842                            if (!"urn:xmpp:media-element".equals(uriEl.getNamespace())) continue;
1843                            String mimeType = uriEl.getAttribute("type");
1844                            String uriS = uriEl.getContent();
1845                            if (mimeType == null || uriS == null) continue;
1846                            Uri uri = Uri.parse(uriS);
1847                            if (mimeType.startsWith("image/") && "https".equals(uri.getScheme())) {
1848                                final Drawable d = getDrawableForUrl(uri.toString());
1849                                if (d != null) {
1850                                    binding.mediaImage.setImageDrawable(d);
1851                                    binding.mediaImage.setVisibility(View.VISIBLE);
1852                                }
1853                            }
1854                        }
1855                    }
1856
1857                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1858                    String datatype = validate == null ? null : validate.getAttribute("datatype");
1859
1860                    ArrayAdapter<Option> values = new ArrayAdapter<>(binding.getRoot().getContext(), R.layout.simple_list_item);
1861                    for (Element el : field.el.getChildren()) {
1862                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1863                            values.add(new Option(el.getContent(), formatValue(datatype, el.getContent(), false)));
1864                        }
1865                    }
1866                    binding.values.setAdapter(values);
1867                    Util.justifyListViewHeightBasedOnChildren(binding.values);
1868
1869                    if (field.getType().equals(Optional.of("jid-single")) || field.getType().equals(Optional.of("jid-multi"))) {
1870                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1871                            new FixedURLSpan("xmpp:" + Uri.encode(Jid.ofEscaped(values.getItem(pos).getValue()).toEscapedString(), "@/+"), account).onClick(binding.values);
1872                        });
1873                    } else if ("xs:anyURI".equals(datatype)) {
1874                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1875                            new FixedURLSpan(values.getItem(pos).getValue(), account).onClick(binding.values);
1876                        });
1877                    } else if ("html:tel".equals(datatype)) {
1878                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1879                            try {
1880                                new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), values.getItem(pos).getValue()), account).onClick(binding.values);
1881                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1882                        });
1883                    }
1884
1885                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1886                        if (ShareUtil.copyTextToClipboard(binding.getRoot().getContext(), values.getItem(pos).getValue(), R.string.message)) {
1887                            Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1888                        }
1889                        return true;
1890                    });
1891                }
1892            }
1893
1894            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1895                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1896
1897                @Override
1898                public void bind(Item item) {
1899                    Cell cell = (Cell) item;
1900
1901                    if (cell.el == null) {
1902                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1903                        setTextOrHide(binding.text, cell.reported.getLabel());
1904                    } else {
1905                        Element validate = cell.reported.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1906                        String datatype = validate == null ? null : validate.getAttribute("datatype");
1907                        String value = formatValue(datatype, cell.el.findChildContent("value", "jabber:x:data"), true);
1908                        SpannableStringBuilder text = new SpannableStringBuilder(value == null ? "" : value);
1909                        if (cell.reported.getType().equals(Optional.of("jid-single"))) {
1910                            text.setSpan(new FixedURLSpan("xmpp:" + Jid.ofEscaped(text.toString()).toEscapedString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1911                        } else if ("xs:anyURI".equals(datatype)) {
1912                            text.setSpan(new FixedURLSpan(text.toString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1913                        } else if ("html:tel".equals(datatype)) {
1914                            try {
1915                                text.setSpan(new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), text.toString()), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1916                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1917                        }
1918
1919                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1920                        binding.text.setText(text);
1921
1922                        BetterLinkMovementMethod method = BetterLinkMovementMethod.newInstance();
1923                        method.setOnLinkLongClickListener((tv, url) -> {
1924                            tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1925                            ShareUtil.copyLinkToClipboard(binding.getRoot().getContext(), url);
1926                            return true;
1927                        });
1928                        binding.text.setMovementMethod(method);
1929                    }
1930                }
1931            }
1932
1933            class ItemCardViewHolder extends ViewHolder<CommandItemCardBinding> {
1934                public ItemCardViewHolder(CommandItemCardBinding binding) { super(binding); }
1935
1936                @Override
1937                public void bind(Item item) {
1938                    binding.fields.removeAllViews();
1939
1940                    for (Field field : reported) {
1941                        CommandResultFieldBinding row = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.command_result_field, binding.fields, false);
1942                        GridLayout.LayoutParams param = new GridLayout.LayoutParams();
1943                        param.columnSpec = GridLayout.spec(GridLayout.UNDEFINED, GridLayout.FILL, 1f);
1944                        param.width = 0;
1945                        row.getRoot().setLayoutParams(param);
1946                        binding.fields.addView(row.getRoot());
1947                        for (Element el : item.el.getChildren()) {
1948                            if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data") && el.getAttribute("var") != null && el.getAttribute("var").equals(field.getVar())) {
1949                                for (String label : field.getLabel().asSet()) {
1950                                    el.setAttribute("label", label);
1951                                }
1952                                for (String desc : field.getDesc().asSet()) {
1953                                    el.setAttribute("desc", desc);
1954                                }
1955                                for (String type : field.getType().asSet()) {
1956                                    el.setAttribute("type", type);
1957                                }
1958                                Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1959                                if (validate != null) el.addChild(validate);
1960                                new ResultFieldViewHolder(row).bind(new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), -1));
1961                            }
1962                        }
1963                    }
1964                }
1965            }
1966
1967            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
1968                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
1969                    super(binding);
1970                    binding.row.setOnClickListener((v) -> {
1971                        binding.checkbox.toggle();
1972                    });
1973                    binding.checkbox.setOnCheckedChangeListener(this);
1974                }
1975                protected Element mValue = null;
1976
1977                @Override
1978                public void bind(Item item) {
1979                    Field field = (Field) item;
1980                    binding.label.setText(field.getLabel().or(""));
1981                    setTextOrHide(binding.desc, field.getDesc());
1982                    mValue = field.getValue();
1983                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
1984                }
1985
1986                @Override
1987                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
1988                    if (mValue == null) return;
1989
1990                    mValue.setContent(isChecked ? "true" : "false");
1991                }
1992            }
1993
1994            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
1995                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
1996                    super(binding);
1997                    binding.search.addTextChangedListener(this);
1998                }
1999                protected Field field = null;
2000                Set<String> filteredValues;
2001                List<Option> options = new ArrayList<>();
2002                protected ArrayAdapter<Option> adapter;
2003                protected boolean open;
2004                protected boolean multi;
2005
2006                @Override
2007                public void bind(Item item) {
2008                    field = (Field) item;
2009                    setTextOrHide(binding.label, field.getLabel());
2010                    setTextOrHide(binding.desc, field.getDesc());
2011
2012                    if (field.error != null) {
2013                        binding.desc.setVisibility(View.VISIBLE);
2014                        binding.desc.setText(field.error);
2015                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2016                    } else {
2017                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2018                    }
2019
2020                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2021                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
2022                    setupInputType(field.el, binding.search, null);
2023
2024                    multi = field.getType().equals(Optional.of("list-multi"));
2025                    if (multi) {
2026                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE);
2027                    } else {
2028                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
2029                    }
2030
2031                    options = field.getOptions();
2032                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
2033                        Set<String> values = new HashSet<>();
2034                        if (multi) {
2035                            values.addAll(field.getValues());
2036                            for (final String value : field.getValues()) {
2037                                if (filteredValues.contains(value)) {
2038                                    values.remove(value);
2039                                }
2040                            }
2041                        }
2042
2043                        SparseBooleanArray positions = binding.list.getCheckedItemPositions();
2044                        for (int i = 0; i < positions.size(); i++) {
2045                            values.add(adapter.getItem(positions.keyAt(i)).getValue());
2046                        }
2047                        field.setValues(values);
2048
2049                        if (!multi && open) binding.search.setText(String.join("\n", field.getValues()));
2050                    });
2051                    search("");
2052                }
2053
2054                @Override
2055                public void afterTextChanged(Editable s) {
2056                    if (!multi && open) field.setValues(List.of(s.toString()));
2057                    search(s.toString());
2058                }
2059
2060                @Override
2061                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2062
2063                @Override
2064                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2065
2066                protected void search(String s) {
2067                    List<Option> filteredOptions;
2068                    final String q = s.replaceAll("\\W", "").toLowerCase();
2069                    if (q == null || q.equals("")) {
2070                        filteredOptions = options;
2071                    } else {
2072                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
2073                    }
2074                    filteredValues = filteredOptions.stream().map(o -> o.getValue()).collect(Collectors.toSet());
2075                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
2076                    binding.list.setAdapter(adapter);
2077
2078                    for (final String value : field.getValues()) {
2079                        int checkedPos = filteredOptions.indexOf(new Option(value, ""));
2080                        if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
2081                    }
2082                }
2083            }
2084
2085            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
2086                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
2087                    super(binding);
2088                    binding.open.addTextChangedListener(this);
2089                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
2090                        @Override
2091                        public View getView(int position, View convertView, ViewGroup parent) {
2092                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
2093                            v.setId(position);
2094                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
2095                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
2096                            return v;
2097                        }
2098                    };
2099                }
2100                protected Element mValue = null;
2101                protected ArrayAdapter<Option> options;
2102
2103                @Override
2104                public void bind(Item item) {
2105                    Field field = (Field) item;
2106                    setTextOrHide(binding.label, field.getLabel());
2107                    setTextOrHide(binding.desc, field.getDesc());
2108
2109                    if (field.error != null) {
2110                        binding.desc.setVisibility(View.VISIBLE);
2111                        binding.desc.setText(field.error);
2112                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2113                    } else {
2114                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2115                    }
2116
2117                    mValue = field.getValue();
2118
2119                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2120                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2121                    binding.open.setText(mValue.getContent());
2122                    setupInputType(field.el, binding.open, null);
2123
2124                    options.clear();
2125                    List<Option> theOptions = field.getOptions();
2126                    options.addAll(theOptions);
2127
2128                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
2129                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
2130                    float maxColumnWidth = theOptions.stream().map((x) ->
2131                        StaticLayout.getDesiredWidth(x.toString(), paint)
2132                    ).max(Float::compare).orElse(new Float(0.0));
2133                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
2134                        binding.radios.setNumColumns(theOptions.size());
2135                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
2136                        binding.radios.setNumColumns(theOptions.size() / 2);
2137                    } else {
2138                        binding.radios.setNumColumns(1);
2139                    }
2140                    binding.radios.setAdapter(options);
2141                }
2142
2143                @Override
2144                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
2145                    if (mValue == null) return;
2146
2147                    if (isChecked) {
2148                        mValue.setContent(options.getItem(radio.getId()).getValue());
2149                        binding.open.setText(mValue.getContent());
2150                    }
2151                    options.notifyDataSetChanged();
2152                }
2153
2154                @Override
2155                public void afterTextChanged(Editable s) {
2156                    if (mValue == null) return;
2157
2158                    mValue.setContent(s.toString());
2159                    options.notifyDataSetChanged();
2160                }
2161
2162                @Override
2163                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2164
2165                @Override
2166                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2167            }
2168
2169            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
2170                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
2171                    super(binding);
2172                    binding.spinner.setOnItemSelectedListener(this);
2173                }
2174                protected Element mValue = null;
2175
2176                @Override
2177                public void bind(Item item) {
2178                    Field field = (Field) item;
2179                    setTextOrHide(binding.label, field.getLabel());
2180                    binding.spinner.setPrompt(field.getLabel().or(""));
2181                    setTextOrHide(binding.desc, field.getDesc());
2182
2183                    mValue = field.getValue();
2184
2185                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
2186                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
2187                    options.addAll(field.getOptions());
2188
2189                    binding.spinner.setAdapter(options);
2190                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
2191                }
2192
2193                @Override
2194                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
2195                    Option o = (Option) parent.getItemAtPosition(pos);
2196                    if (mValue == null) return;
2197
2198                    mValue.setContent(o == null ? "" : o.getValue());
2199                }
2200
2201                @Override
2202                public void onNothingSelected(AdapterView<?> parent) {
2203                    mValue.setContent("");
2204                }
2205            }
2206
2207            class ButtonGridFieldViewHolder extends ViewHolder<CommandButtonGridFieldBinding> {
2208                public ButtonGridFieldViewHolder(CommandButtonGridFieldBinding binding) {
2209                    super(binding);
2210                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.button_grid_item) {
2211                        protected int height = 0;
2212
2213                        @Override
2214                        public View getView(int position, View convertView, ViewGroup parent) {
2215                            Button v = (Button) super.getView(position, convertView, parent);
2216                            v.setOnClickListener((view) -> {
2217                                mValue.setContent(getItem(position).getValue());
2218                                execute();
2219                                loading = true;
2220                            });
2221
2222                            final SVG icon = getItem(position).getIcon();
2223                            if (icon != null) {
2224                                 final Element iconEl = getItem(position).getIconEl();
2225                                 if (height < 1) {
2226                                     v.measure(0, 0);
2227                                     height = v.getMeasuredHeight();
2228                                 }
2229                                 if (height < 1) return v;
2230                                 if (mediaSelector) {
2231                                     final Drawable d = getDrawableForSVG(icon, iconEl, height * 4);
2232                                     if (d != null) {
2233                                         final int boundsHeight = 35 + (int)((height * 4) / xmppConnectionService.getResources().getDisplayMetrics().density);
2234                                         d.setBounds(0, 0, d.getIntrinsicWidth(), boundsHeight);
2235                                     }
2236                                     v.setCompoundDrawables(null, d, null, null);
2237                                 } else {
2238                                     v.setCompoundDrawablesRelativeWithIntrinsicBounds(getDrawableForSVG(icon, iconEl, height), null, null, null);
2239                                 }
2240                            }
2241
2242                            return v;
2243                        }
2244                    };
2245                }
2246                protected Element mValue = null;
2247                protected ArrayAdapter<Option> options;
2248                protected Option defaultOption = null;
2249                protected boolean mediaSelector = false;
2250
2251                @Override
2252                public void bind(Item item) {
2253                    Field field = (Field) item;
2254                    setTextOrHide(binding.label, field.getLabel());
2255                    setTextOrHide(binding.desc, field.getDesc());
2256
2257                    if (field.error != null) {
2258                        binding.desc.setVisibility(View.VISIBLE);
2259                        binding.desc.setText(field.error);
2260                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2261                    } else {
2262                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2263                    }
2264
2265                    mValue = field.getValue();
2266                    mediaSelector = field.el.findChild("media-selector", "https://ns.cheogram.com/") != null;
2267
2268                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2269                    binding.openButton.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2270                    binding.openButton.setOnClickListener((view) -> {
2271                        AlertDialog.Builder builder = new AlertDialog.Builder(binding.getRoot().getContext());
2272                        DialogQuickeditBinding dialogBinding = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.dialog_quickedit, null, false);
2273                        builder.setPositiveButton(R.string.action_execute, null);
2274                        if (field.getDesc().isPresent()) {
2275                            dialogBinding.inputLayout.setHint(field.getDesc().get());
2276                        }
2277                        dialogBinding.inputEditText.requestFocus();
2278                        dialogBinding.inputEditText.getText().append(mValue.getContent());
2279                        builder.setView(dialogBinding.getRoot());
2280                        builder.setNegativeButton(R.string.cancel, null);
2281                        final AlertDialog dialog = builder.create();
2282                        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(dialogBinding.inputEditText));
2283                        dialog.show();
2284                        View.OnClickListener clickListener = v -> {
2285                            String value = dialogBinding.inputEditText.getText().toString();
2286                            mValue.setContent(value);
2287                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2288                            dialog.dismiss();
2289                            execute();
2290                            loading = true;
2291                        };
2292                        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
2293                        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
2294                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2295                            dialog.dismiss();
2296                        }));
2297                        dialog.setCanceledOnTouchOutside(false);
2298                        dialog.setOnDismissListener(dialog1 -> {
2299                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2300                        });
2301                    });
2302
2303                    options.clear();
2304                    List<Option> theOptions = field.getType().equals(Optional.of("boolean")) ? new ArrayList<>(List.of(new Option("false", binding.getRoot().getContext().getString(R.string.no)), new Option("true", binding.getRoot().getContext().getString(R.string.yes)))) : field.getOptions();
2305
2306                    defaultOption = null;
2307                    for (Option option : theOptions) {
2308                        if (option.getValue().equals(mValue.getContent())) {
2309                            defaultOption = option;
2310                            break;
2311                        }
2312                    }
2313                    if (defaultOption == null && !mValue.getContent().equals("")) {
2314                        // Synthesize default option for custom value
2315                        defaultOption = new Option(mValue.getContent(), mValue.getContent());
2316                    }
2317                    if (defaultOption == null) {
2318                        binding.defaultButton.setVisibility(View.GONE);
2319                    } else {
2320                        theOptions.remove(defaultOption);
2321                        binding.defaultButton.setVisibility(View.VISIBLE);
2322
2323                        final SVG defaultIcon = defaultOption.getIcon();
2324                        if (defaultIcon != null) {
2325                             DisplayMetrics display = mPager.getContext().getResources().getDisplayMetrics();
2326                             int height = (int)(display.heightPixels*display.density/4);
2327                             binding.defaultButton.setCompoundDrawablesRelativeWithIntrinsicBounds(null, getDrawableForSVG(defaultIcon, defaultOption.getIconEl(), height), null, null);
2328                        }
2329
2330                        binding.defaultButton.setText(defaultOption.toString());
2331                        binding.defaultButton.setOnClickListener((view) -> {
2332                            mValue.setContent(defaultOption.getValue());
2333                            execute();
2334                            loading = true;
2335                        });
2336                    }
2337
2338                    options.addAll(theOptions);
2339                    binding.buttons.setAdapter(options);
2340                }
2341            }
2342
2343            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
2344                public TextFieldViewHolder(CommandTextFieldBinding binding) {
2345                    super(binding);
2346                    binding.textinput.addTextChangedListener(this);
2347                }
2348                protected Field field = null;
2349
2350                @Override
2351                public void bind(Item item) {
2352                    field = (Field) item;
2353                    binding.textinputLayout.setHint(field.getLabel().or(""));
2354
2355                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
2356                    for (String desc : field.getDesc().asSet()) {
2357                        binding.textinputLayout.setHelperText(desc);
2358                    }
2359
2360                    binding.textinputLayout.setErrorEnabled(field.error != null);
2361                    if (field.error != null) binding.textinputLayout.setError(field.error);
2362
2363                    binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_GRAVITY);
2364                    String suffixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/suffix-label");
2365                    if (suffixLabel == null) {
2366                        binding.textinputLayout.setSuffixText("");
2367                    } else {
2368                        binding.textinputLayout.setSuffixText(suffixLabel);
2369                        binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_TEXT_END);
2370                    }
2371
2372                    String prefixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/prefix-label");
2373                    binding.textinputLayout.setPrefixText(prefixLabel == null ? "" : prefixLabel);
2374
2375                    binding.textinput.setText(String.join("\n", field.getValues()));
2376                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
2377                }
2378
2379                @Override
2380                public void afterTextChanged(Editable s) {
2381                    if (field == null) return;
2382
2383                    field.setValues(List.of(s.toString().split("\n")));
2384                }
2385
2386                @Override
2387                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2388
2389                @Override
2390                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2391            }
2392
2393            class SliderFieldViewHolder extends ViewHolder<CommandSliderFieldBinding> {
2394                public SliderFieldViewHolder(CommandSliderFieldBinding binding) { super(binding); }
2395                protected Field field = null;
2396
2397                @Override
2398                public void bind(Item item) {
2399                    field = (Field) item;
2400                    setTextOrHide(binding.label, field.getLabel());
2401                    setTextOrHide(binding.desc, field.getDesc());
2402                    final Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2403                    final String datatype = validate == null ? null : validate.getAttribute("datatype");
2404                    final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2405                    final boolean open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
2406                    Float min = null;
2407                    try { min = range.getAttribute("min") == null ? null : Float.valueOf(range.getAttribute("min")); } catch (NumberFormatException e) { }
2408                    Float max = null;
2409                    try { max = range.getAttribute("max") == null ? null : Float.valueOf(range.getAttribute("max"));  } catch (NumberFormatException e) { }
2410
2411                    List<Float> options = field.getOptions().stream().map(o -> Float.valueOf(o.getValue())).collect(Collectors.toList());
2412                    Collections.sort(options);
2413                    if (!open && options.size() > 0) {
2414                        min = options.get(0);
2415                        max = options.get(options.size()-1);
2416                    }
2417
2418                    if (field.getValues().size() > 0) binding.slider.setValue(Float.valueOf(field.getValue().getContent()));
2419                    binding.slider.setValueFrom(min == null ? Float.MIN_VALUE : min);
2420                    binding.slider.setValueTo(max == null ? Float.MAX_VALUE : max);
2421                    if ("xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype)) {
2422                        binding.slider.setStepSize(1);
2423                    } else {
2424                        binding.slider.setStepSize(0);
2425                    }
2426
2427                    if (!open && options.size() > 0) {
2428                        float step = -1;
2429                        Float prev = null;
2430                        for (final Float option : options) {
2431                            if (prev != null) {
2432                                float nextStep = option - prev;
2433                                if (step > 0 && step != nextStep) {
2434                                    step = -1;
2435                                    break;
2436                                }
2437                                step = nextStep;
2438                            }
2439                            prev = option;
2440                        }
2441                        if (step > 0) binding.slider.setStepSize(step);
2442                        // NOTE: if step == -1 and !open then the widget will allow illegal values
2443                    }
2444
2445                    binding.slider.addOnChangeListener((slider, value, fromUser) -> {
2446                        field.setValues(List.of(new DecimalFormat().format(value)));
2447                    });
2448                }
2449            }
2450
2451            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
2452                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
2453                protected String boundUrl = "";
2454
2455                @Override
2456                public void bind(Item oob) {
2457                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
2458                    binding.webview.getSettings().setJavaScriptEnabled(true);
2459                    binding.webview.getSettings().setUserAgentString("Mozilla/5.0 (Linux; Android 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Mobile Safari/537.36");
2460                    binding.webview.getSettings().setDatabaseEnabled(true);
2461                    binding.webview.getSettings().setDomStorageEnabled(true);
2462                    binding.webview.setWebChromeClient(new WebChromeClient() {
2463                        @Override
2464                        public void onProgressChanged(WebView view, int newProgress) {
2465                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
2466                            binding.progressbar.setProgress(newProgress);
2467                        }
2468                    });
2469                    binding.webview.setWebViewClient(new WebViewClient() {
2470                        @Override
2471                        public void onPageFinished(WebView view, String url) {
2472                            super.onPageFinished(view, url);
2473                            mTitle = view.getTitle();
2474                            ConversationPagerAdapter.this.notifyDataSetChanged();
2475                        }
2476                    });
2477                    final String url = oob.el.findChildContent("url", "jabber:x:oob");
2478                    if (!boundUrl.equals(url)) {
2479                        binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
2480                        binding.webview.loadUrl(url);
2481                        boundUrl = url;
2482                    }
2483                }
2484
2485                class JsObject {
2486                    @JavascriptInterface
2487                    public void execute() { execute("execute"); }
2488
2489                    @JavascriptInterface
2490                    public void execute(String action) {
2491                        getView().post(() -> {
2492                            actionToWebview = null;
2493                            if(CommandSession.this.execute(action)) {
2494                                removeSession(CommandSession.this);
2495                            }
2496                        });
2497                    }
2498
2499                    @JavascriptInterface
2500                    public void preventDefault() {
2501                        actionToWebview = binding.webview;
2502                    }
2503                }
2504            }
2505
2506            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
2507                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
2508
2509                @Override
2510                public void bind(Item item) {
2511                    binding.text.setVisibility(loadingHasBeenLong ? View.VISIBLE : View.GONE);
2512                }
2513            }
2514
2515            class Item {
2516                protected Element el;
2517                protected int viewType;
2518                protected String error = null;
2519
2520                Item(Element el, int viewType) {
2521                    this.el = el;
2522                    this.viewType = viewType;
2523                }
2524
2525                public boolean validate() {
2526                    error = null;
2527                    return true;
2528                }
2529            }
2530
2531            class Field extends Item {
2532                Field(eu.siacs.conversations.xmpp.forms.Field el, int viewType) { super(el, viewType); }
2533
2534                @Override
2535                public boolean validate() {
2536                    if (!super.validate()) return false;
2537                    if (el.findChild("required", "jabber:x:data") == null) return true;
2538                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
2539
2540                    error = "this value is required";
2541                    return false;
2542                }
2543
2544                public String getVar() {
2545                    return el.getAttribute("var");
2546                }
2547
2548                public Optional<String> getType() {
2549                    return Optional.fromNullable(el.getAttribute("type"));
2550                }
2551
2552                public Optional<String> getLabel() {
2553                    String label = el.getAttribute("label");
2554                    if (label == null) label = getVar();
2555                    return Optional.fromNullable(label);
2556                }
2557
2558                public Optional<String> getDesc() {
2559                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
2560                }
2561
2562                public Element getValue() {
2563                    Element value = el.findChild("value", "jabber:x:data");
2564                    if (value == null) {
2565                        value = el.addChild("value", "jabber:x:data");
2566                    }
2567                    return value;
2568                }
2569
2570                public void setValues(Collection<String> values) {
2571                    for(Element child : el.getChildren()) {
2572                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2573                            el.removeChild(child);
2574                        }
2575                    }
2576
2577                    for (String value : values) {
2578                        el.addChild("value", "jabber:x:data").setContent(value);
2579                    }
2580                }
2581
2582                public List<String> getValues() {
2583                    List<String> values = new ArrayList<>();
2584                    for(Element child : el.getChildren()) {
2585                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2586                            values.add(child.getContent());
2587                        }
2588                    }
2589                    return values;
2590                }
2591
2592                public List<Option> getOptions() {
2593                    return Option.forField(el);
2594                }
2595            }
2596
2597            class Cell extends Item {
2598                protected Field reported;
2599
2600                Cell(Field reported, Element item) {
2601                    super(item, TYPE_RESULT_CELL);
2602                    this.reported = reported;
2603                }
2604            }
2605
2606            protected Field mkField(Element el) {
2607                int viewType = -1;
2608
2609                String formType = responseElement.getAttribute("type");
2610                if (formType != null) {
2611                    String fieldType = el.getAttribute("type");
2612                    if (fieldType == null) fieldType = "text-single";
2613
2614                    if (formType.equals("result") || fieldType.equals("fixed")) {
2615                        viewType = TYPE_RESULT_FIELD;
2616                    } else if (formType.equals("form")) {
2617                        final Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2618                        final String datatype = validate == null ? null : validate.getAttribute("datatype");
2619                        final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2620                        if (fieldType.equals("boolean")) {
2621                            if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 1) {
2622                                viewType = TYPE_BUTTON_GRID_FIELD;
2623                            } else {
2624                                viewType = TYPE_CHECKBOX_FIELD;
2625                            }
2626                        } else if (
2627                            range != null && (
2628                                "xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype) ||
2629                                "xs:decimal".equals(datatype) || "xs:double".equals(datatype)
2630                            )
2631                        ) {
2632                            // has a range and is numeric, use a slider
2633                            viewType = TYPE_SLIDER_FIELD;
2634                        } else if (fieldType.equals("list-single")) {
2635                            if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 1) {
2636                                viewType = TYPE_BUTTON_GRID_FIELD;
2637                            } else if (Option.forField(el).size() > 9) {
2638                                viewType = TYPE_SEARCH_LIST_FIELD;
2639                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
2640                                viewType = TYPE_RADIO_EDIT_FIELD;
2641                            } else {
2642                                viewType = TYPE_SPINNER_FIELD;
2643                            }
2644                        } else if (fieldType.equals("list-multi")) {
2645                            viewType = TYPE_SEARCH_LIST_FIELD;
2646                        } else {
2647                            viewType = TYPE_TEXT_FIELD;
2648                        }
2649                    }
2650
2651                    return new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), viewType);
2652                }
2653
2654                return null;
2655            }
2656
2657            protected Item mkItem(Element el, int pos) {
2658                int viewType = -1;
2659
2660                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
2661                    if (el.getName().equals("note")) {
2662                        viewType = TYPE_NOTE;
2663                    } else if (el.getNamespace().equals("jabber:x:oob")) {
2664                        viewType = TYPE_WEB;
2665                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
2666                        viewType = TYPE_NOTE;
2667                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
2668                        Field field = mkField(el);
2669                        if (field != null) {
2670                            items.put(pos, field);
2671                            return field;
2672                        }
2673                    }
2674                } else if (response != null) {
2675                    viewType = TYPE_ERROR;
2676                }
2677
2678                Item item = new Item(el, viewType);
2679                items.put(pos, item);
2680                return item;
2681            }
2682
2683            class ActionsAdapter extends ArrayAdapter<Pair<String, String>> {
2684                protected Context ctx;
2685
2686                public ActionsAdapter(Context ctx) {
2687                    super(ctx, R.layout.simple_list_item);
2688                    this.ctx = ctx;
2689                }
2690
2691                @Override
2692                public View getView(int position, View convertView, ViewGroup parent) {
2693                    View v = super.getView(position, convertView, parent);
2694                    TextView tv = (TextView) v.findViewById(android.R.id.text1);
2695                    tv.setGravity(Gravity.CENTER);
2696                    tv.setText(getItem(position).second);
2697                    int resId = ctx.getResources().getIdentifier("action_" + getItem(position).first, "string" , ctx.getPackageName());
2698                    if (resId != 0 && getItem(position).second.equals(getItem(position).first)) tv.setText(ctx.getResources().getString(resId));
2699                    tv.setTextColor(ContextCompat.getColor(ctx, R.color.white));
2700                    tv.setBackgroundColor(UIHelper.getColorForName(getItem(position).first));
2701                    return v;
2702                }
2703
2704                public int getPosition(String s) {
2705                    for(int i = 0; i < getCount(); i++) {
2706                        if (getItem(i).first.equals(s)) return i;
2707                    }
2708                    return -1;
2709                }
2710
2711                public int countExceptCancel() {
2712                    int count = 0;
2713                    for(int i = 0; i < getCount(); i++) {
2714                        if (!getItem(i).first.equals("cancel")) count++;
2715                    }
2716                    return count;
2717                }
2718
2719                public void clearExceptCancel() {
2720                    Pair<String,String> cancelItem = null;
2721                    for(int i = 0; i < getCount(); i++) {
2722                        if (getItem(i).first.equals("cancel")) cancelItem = getItem(i);
2723                    }
2724                    clear();
2725                    if (cancelItem != null) add(cancelItem);
2726                }
2727            }
2728
2729            final int TYPE_ERROR = 1;
2730            final int TYPE_NOTE = 2;
2731            final int TYPE_WEB = 3;
2732            final int TYPE_RESULT_FIELD = 4;
2733            final int TYPE_TEXT_FIELD = 5;
2734            final int TYPE_CHECKBOX_FIELD = 6;
2735            final int TYPE_SPINNER_FIELD = 7;
2736            final int TYPE_RADIO_EDIT_FIELD = 8;
2737            final int TYPE_RESULT_CELL = 9;
2738            final int TYPE_PROGRESSBAR = 10;
2739            final int TYPE_SEARCH_LIST_FIELD = 11;
2740            final int TYPE_ITEM_CARD = 12;
2741            final int TYPE_BUTTON_GRID_FIELD = 13;
2742            final int TYPE_SLIDER_FIELD = 14;
2743
2744            protected boolean executing = false;
2745            protected boolean loading = false;
2746            protected boolean loadingHasBeenLong = false;
2747            protected Timer loadingTimer = new Timer();
2748            protected String mTitle;
2749            protected String mNode;
2750            protected CommandPageBinding mBinding = null;
2751            protected IqPacket response = null;
2752            protected Element responseElement = null;
2753            protected boolean expectingRemoval = false;
2754            protected List<Field> reported = null;
2755            protected SparseArray<Item> items = new SparseArray<>();
2756            protected XmppConnectionService xmppConnectionService;
2757            protected ActionsAdapter actionsAdapter;
2758            protected GridLayoutManager layoutManager;
2759            protected WebView actionToWebview = null;
2760            protected int fillableFieldCount = 0;
2761            protected IqPacket pendingResponsePacket = null;
2762            protected boolean waitingForRefresh = false;
2763
2764            CommandSession(String title, String node, XmppConnectionService xmppConnectionService) {
2765                loading();
2766                mTitle = title;
2767                mNode = node;
2768                this.xmppConnectionService = xmppConnectionService;
2769                if (mPager != null) setupLayoutManager();
2770                actionsAdapter = new ActionsAdapter(xmppConnectionService);
2771                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
2772                    @Override
2773                    public void onChanged() {
2774                        if (mBinding == null) return;
2775
2776                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2777                    }
2778
2779                    @Override
2780                    public void onInvalidated() {}
2781                });
2782            }
2783
2784            public String getTitle() {
2785                return mTitle;
2786            }
2787
2788            public String getNode() {
2789                return mNode;
2790            }
2791
2792            public void updateWithResponse(final IqPacket iq) {
2793                if (getView() != null && getView().isAttachedToWindow()) {
2794                    getView().post(() -> updateWithResponseUiThread(iq));
2795                } else {
2796                    pendingResponsePacket = iq;
2797                }
2798            }
2799
2800            protected void updateWithResponseUiThread(final IqPacket iq) {
2801                Timer oldTimer = this.loadingTimer;
2802                this.loadingTimer = new Timer();
2803                oldTimer.cancel();
2804                this.executing = false;
2805                this.loading = false;
2806                this.loadingHasBeenLong = false;
2807                this.responseElement = null;
2808                this.fillableFieldCount = 0;
2809                this.reported = null;
2810                this.response = iq;
2811                this.items.clear();
2812                this.actionsAdapter.clear();
2813                layoutManager.setSpanCount(1);
2814
2815                boolean actionsCleared = false;
2816                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2817                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2818                    if (mNode.equals("jabber:iq:register") && command.getAttribute("status") != null && command.getAttribute("status").equals("completed")) {
2819                        xmppConnectionService.createContact(getAccount().getRoster().getContact(iq.getFrom()), true);
2820                    }
2821
2822                    if (xmppConnectionService.isOnboarding() && mNode.equals("jabber:iq:register") && !"canceled".equals(command.getAttribute("status")) && xmppConnectionService.getPreferences().contains("onboarding_action")) {
2823                        xmppConnectionService.getPreferences().edit().putBoolean("onboarding_continued", true).commit();
2824                    }
2825
2826                    Element actions = command.findChild("actions", "http://jabber.org/protocol/commands");
2827                    if (actions != null) {
2828                        for (Element action : actions.getChildren()) {
2829                            if (!"http://jabber.org/protocol/commands".equals(action.getNamespace())) continue;
2830                            if ("execute".equals(action.getName())) continue;
2831
2832                            actionsAdapter.add(Pair.create(action.getName(), action.getName()));
2833                        }
2834                    }
2835
2836                    for (Element el : command.getChildren()) {
2837                        if ("x".equals(el.getName()) && "jabber:x:data".equals(el.getNamespace())) {
2838                            Data form = Data.parse(el);
2839                            String title = form.getTitle();
2840                            if (title != null) {
2841                                mTitle = title;
2842                                ConversationPagerAdapter.this.notifyDataSetChanged();
2843                            }
2844
2845                            if ("result".equals(el.getAttribute("type")) || "form".equals(el.getAttribute("type"))) {
2846                                this.responseElement = el;
2847                                setupReported(el.findChild("reported", "jabber:x:data"));
2848                                if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
2849                            }
2850
2851                            eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
2852                            if (actionList != null) {
2853                                actionsAdapter.clear();
2854
2855                                for (Option action : actionList.getOptions()) {
2856                                    actionsAdapter.add(Pair.create(action.getValue(), action.toString()));
2857                                }
2858                            }
2859
2860                            String fillableFieldType = null;
2861                            String fillableFieldValue = null;
2862                            for (eu.siacs.conversations.xmpp.forms.Field field : form.getFields()) {
2863                                if ((field.getType() == null || (!field.getType().equals("hidden") && !field.getType().equals("fixed"))) && field.getFieldName() != null && !field.getFieldName().equals("http://jabber.org/protocol/commands#actions")) {
2864                                    fillableFieldType = field.getType();
2865                                    fillableFieldValue = field.getValue();
2866                                    fillableFieldCount++;
2867                                }
2868                            }
2869
2870                            if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 2 && fillableFieldType != null && (fillableFieldType.equals("list-single") || (fillableFieldType.equals("boolean") && fillableFieldValue == null))) {
2871                                actionsCleared = true;
2872                                actionsAdapter.clearExceptCancel();
2873                            }
2874                            break;
2875                        }
2876                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2877                            String url = el.findChildContent("url", "jabber:x:oob");
2878                            if (url != null) {
2879                                String scheme = Uri.parse(url).getScheme();
2880                                if (scheme.equals("http") || scheme.equals("https")) {
2881                                    this.responseElement = el;
2882                                    break;
2883                                }
2884                                if (scheme.equals("xmpp")) {
2885                                    expectingRemoval = true;
2886                                    final Intent intent = new Intent(getView().getContext(), UriHandlerActivity.class);
2887                                    intent.setAction(Intent.ACTION_VIEW);
2888                                    intent.setData(Uri.parse(url));
2889                                    getView().getContext().startActivity(intent);
2890                                    break;
2891                                }
2892                            }
2893                        }
2894                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2895                            this.responseElement = el;
2896                            break;
2897                        }
2898                    }
2899
2900                    if (responseElement == null && command.getAttribute("status") != null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2901                        if ("jabber:iq:register".equals(mNode) && "canceled".equals(command.getAttribute("status"))) {
2902                            if (xmppConnectionService.isOnboarding()) {
2903                                if (xmppConnectionService.getPreferences().contains("onboarding_action")) {
2904                                    xmppConnectionService.deleteAccount(getAccount());
2905                                } else {
2906                                    if (xmppConnectionService.getPreferences().getBoolean("onboarding_continued", false)) {
2907                                        removeSession(this);
2908                                        return;
2909                                    } else {
2910                                        xmppConnectionService.getPreferences().edit().putString("onboarding_action", "cancel").commit();
2911                                        xmppConnectionService.deleteAccount(getAccount());
2912                                    }
2913                                }
2914                            }
2915                            xmppConnectionService.archiveConversation(Conversation.this);
2916                        }
2917
2918                        expectingRemoval = true;
2919                        removeSession(this);
2920                        return;
2921                    }
2922
2923                    if ("executing".equals(command.getAttribute("status")) && actionsAdapter.countExceptCancel() < 1 && !actionsCleared) {
2924                        // No actions have been given, but we are not done?
2925                        // This is probably a spec violation, but we should do *something*
2926                        actionsAdapter.add(Pair.create("execute", "execute"));
2927                    }
2928
2929                    if (!actionsAdapter.isEmpty() || fillableFieldCount > 0) {
2930                        if ("completed".equals(command.getAttribute("status")) || "canceled".equals(command.getAttribute("status"))) {
2931                            actionsAdapter.add(Pair.create("close", "close"));
2932                        } else if (actionsAdapter.getPosition("cancel") < 0 && !xmppConnectionService.isOnboarding()) {
2933                            actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
2934                        }
2935                    }
2936                }
2937
2938                if (actionsAdapter.isEmpty()) {
2939                    actionsAdapter.add(Pair.create("close", "close"));
2940                }
2941
2942                actionsAdapter.sort((x, y) -> {
2943                    if (x.first.equals("cancel")) return -1;
2944                    if (y.first.equals("cancel")) return 1;
2945                    if (x.first.equals("prev") && xmppConnectionService.isOnboarding()) return -1;
2946                    if (y.first.equals("prev") && xmppConnectionService.isOnboarding()) return 1;
2947                    return 0;
2948                });
2949
2950                Data dataForm = null;
2951                if (responseElement != null && responseElement.getName().equals("x") && responseElement.getNamespace().equals("jabber:x:data")) dataForm = Data.parse(responseElement);
2952                if (mNode.equals("jabber:iq:register") &&
2953                    xmppConnectionService.getPreferences().contains("onboarding_action") &&
2954                    dataForm != null && dataForm.getFieldByName("gateway-jid") != null) {
2955
2956
2957                    dataForm.put("gateway-jid", xmppConnectionService.getPreferences().getString("onboarding_action", ""));
2958                    execute();
2959                }
2960                xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
2961                notifyDataSetChanged();
2962            }
2963
2964            protected void setupReported(Element el) {
2965                if (el == null) {
2966                    reported = null;
2967                    return;
2968                }
2969
2970                reported = new ArrayList<>();
2971                for (Element fieldEl : el.getChildren()) {
2972                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
2973                    reported.add(mkField(fieldEl));
2974                }
2975            }
2976
2977            @Override
2978            public int getItemCount() {
2979                if (loading) return 1;
2980                if (response == null) return 0;
2981                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
2982                    int i = 0;
2983                    for (Element el : responseElement.getChildren()) {
2984                        if (!el.getNamespace().equals("jabber:x:data")) continue;
2985                        if (el.getName().equals("title")) continue;
2986                        if (el.getName().equals("field")) {
2987                            String type = el.getAttribute("type");
2988                            if (type != null && type.equals("hidden")) continue;
2989                            if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
2990                        }
2991
2992                        if (el.getName().equals("reported") || el.getName().equals("item")) {
2993                            if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
2994                                if (el.getName().equals("reported")) continue;
2995                                i += 1;
2996                            } else {
2997                                if (reported != null) i += reported.size();
2998                            }
2999                            continue;
3000                        }
3001
3002                        i++;
3003                    }
3004                    return i;
3005                }
3006                return 1;
3007            }
3008
3009            public Item getItem(int position) {
3010                if (loading) return new Item(null, TYPE_PROGRESSBAR);
3011                if (items.get(position) != null) return items.get(position);
3012                if (response == null) return null;
3013
3014                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
3015                    if (responseElement.getNamespace().equals("jabber:x:data")) {
3016                        int i = 0;
3017                        for (Element el : responseElement.getChildren()) {
3018                            if (!el.getNamespace().equals("jabber:x:data")) continue;
3019                            if (el.getName().equals("title")) continue;
3020                            if (el.getName().equals("field")) {
3021                                String type = el.getAttribute("type");
3022                                if (type != null && type.equals("hidden")) continue;
3023                                if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
3024                            }
3025
3026                            if (el.getName().equals("reported") || el.getName().equals("item")) {
3027                                Cell cell = null;
3028
3029                                if (reported != null) {
3030                                    if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
3031                                        if (el.getName().equals("reported")) continue;
3032                                        if (i == position) {
3033                                            items.put(position, new Item(el, TYPE_ITEM_CARD));
3034                                            return items.get(position);
3035                                        }
3036                                    } else {
3037                                        if (reported.size() > position - i) {
3038                                            Field reportedField = reported.get(position - i);
3039                                            Element itemField = null;
3040                                            if (el.getName().equals("item")) {
3041                                                for (Element subel : el.getChildren()) {
3042                                                    if (subel.getAttribute("var").equals(reportedField.getVar())) {
3043                                                       itemField = subel;
3044                                                       break;
3045                                                    }
3046                                                }
3047                                            }
3048                                            cell = new Cell(reportedField, itemField);
3049                                        } else {
3050                                            i += reported.size();
3051                                            continue;
3052                                        }
3053                                    }
3054                                }
3055
3056                                if (cell != null) {
3057                                    items.put(position, cell);
3058                                    return cell;
3059                                }
3060                            }
3061
3062                            if (i < position) {
3063                                i++;
3064                                continue;
3065                            }
3066
3067                            return mkItem(el, position);
3068                        }
3069                    }
3070                }
3071
3072                return mkItem(responseElement == null ? response : responseElement, position);
3073            }
3074
3075            @Override
3076            public int getItemViewType(int position) {
3077                return getItem(position).viewType;
3078            }
3079
3080            @Override
3081            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
3082                switch(viewType) {
3083                    case TYPE_ERROR: {
3084                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3085                        return new ErrorViewHolder(binding);
3086                    }
3087                    case TYPE_NOTE: {
3088                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3089                        return new NoteViewHolder(binding);
3090                    }
3091                    case TYPE_WEB: {
3092                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
3093                        return new WebViewHolder(binding);
3094                    }
3095                    case TYPE_RESULT_FIELD: {
3096                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
3097                        return new ResultFieldViewHolder(binding);
3098                    }
3099                    case TYPE_RESULT_CELL: {
3100                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
3101                        return new ResultCellViewHolder(binding);
3102                    }
3103                    case TYPE_ITEM_CARD: {
3104                        CommandItemCardBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_item_card, container, false);
3105                        return new ItemCardViewHolder(binding);
3106                    }
3107                    case TYPE_CHECKBOX_FIELD: {
3108                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
3109                        return new CheckboxFieldViewHolder(binding);
3110                    }
3111                    case TYPE_SEARCH_LIST_FIELD: {
3112                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
3113                        return new SearchListFieldViewHolder(binding);
3114                    }
3115                    case TYPE_RADIO_EDIT_FIELD: {
3116                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
3117                        return new RadioEditFieldViewHolder(binding);
3118                    }
3119                    case TYPE_SPINNER_FIELD: {
3120                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
3121                        return new SpinnerFieldViewHolder(binding);
3122                    }
3123                    case TYPE_BUTTON_GRID_FIELD: {
3124                        CommandButtonGridFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_button_grid_field, container, false);
3125                        return new ButtonGridFieldViewHolder(binding);
3126                    }
3127                    case TYPE_TEXT_FIELD: {
3128                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
3129                        return new TextFieldViewHolder(binding);
3130                    }
3131                    case TYPE_SLIDER_FIELD: {
3132                        CommandSliderFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_slider_field, container, false);
3133                        return new SliderFieldViewHolder(binding);
3134                    }
3135                    case TYPE_PROGRESSBAR: {
3136                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
3137                        return new ProgressBarViewHolder(binding);
3138                    }
3139                    default:
3140                        if (expectingRemoval) {
3141                            CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3142                            return new NoteViewHolder(binding);
3143                        }
3144
3145                        throw new IllegalArgumentException("Unknown viewType: " + viewType + " based on: " + response + ", " + responseElement + ", " + expectingRemoval);
3146                }
3147            }
3148
3149            @Override
3150            public void onBindViewHolder(ViewHolder viewHolder, int position) {
3151                viewHolder.bind(getItem(position));
3152            }
3153
3154            public View getView() {
3155                if (mBinding == null) return null;
3156                return mBinding.getRoot();
3157            }
3158
3159            public boolean validate() {
3160                int count = getItemCount();
3161                boolean isValid = true;
3162                for (int i = 0; i < count; i++) {
3163                    boolean oneIsValid = getItem(i).validate();
3164                    isValid = isValid && oneIsValid;
3165                }
3166                notifyDataSetChanged();
3167                return isValid;
3168            }
3169
3170            public boolean execute() {
3171                return execute("execute");
3172            }
3173
3174            public boolean execute(int actionPosition) {
3175                return execute(actionsAdapter.getItem(actionPosition).first);
3176            }
3177
3178            public synchronized boolean execute(String action) {
3179                if (!"cancel".equals(action) && executing) {
3180                    loadingHasBeenLong = true;
3181                    notifyDataSetChanged();
3182                    return false;
3183                }
3184                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
3185
3186                if (response == null) return true;
3187                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
3188                if (command == null) return true;
3189                String status = command.getAttribute("status");
3190                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
3191
3192                if (actionToWebview != null && !action.equals("cancel") && Build.VERSION.SDK_INT >= 23) {
3193                    actionToWebview.postWebMessage(new WebMessage("xmpp_xep0050/" + action), Uri.parse("*"));
3194                    return false;
3195                }
3196
3197                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3198                packet.setTo(response.getFrom());
3199                final Element c = packet.addChild("command", Namespace.COMMANDS);
3200                c.setAttribute("node", mNode);
3201                c.setAttribute("sessionid", command.getAttribute("sessionid"));
3202
3203                String formType = responseElement == null ? null : responseElement.getAttribute("type");
3204                if (!action.equals("cancel") &&
3205                    !action.equals("prev") &&
3206                    responseElement != null &&
3207                    responseElement.getName().equals("x") &&
3208                    responseElement.getNamespace().equals("jabber:x:data") &&
3209                    formType != null && formType.equals("form")) {
3210
3211                    Data form = Data.parse(responseElement);
3212                    eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
3213                    if (actionList != null) {
3214                        actionList.setValue(action);
3215                        c.setAttribute("action", "execute");
3216                    }
3217
3218                    if (mNode.equals("jabber:iq:register") && xmppConnectionService.isOnboarding() && form.getFieldByName("gateway-jid") != null) {
3219                        if (form.getValue("gateway-jid") == null) {
3220                            xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
3221                        } else {
3222                            xmppConnectionService.getPreferences().edit().putString("onboarding_action", form.getValue("gateway-jid")).commit();
3223                        }
3224                    }
3225
3226                    responseElement.setAttribute("type", "submit");
3227                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
3228                    if (rsm != null) {
3229                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
3230                        max.setContent("1000");
3231                        rsm.addChild(max);
3232                    }
3233
3234                    c.addChild(responseElement);
3235                }
3236
3237                if (c.getAttribute("action") == null) c.setAttribute("action", action);
3238
3239                executing = true;
3240                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
3241                    updateWithResponse(iq);
3242                }, 120L);
3243
3244                loading();
3245                return false;
3246            }
3247
3248            public void refresh() {
3249                synchronized(this) {
3250                    if (waitingForRefresh) notifyDataSetChanged();
3251                }
3252            }
3253
3254            protected void loading() {
3255                View v = getView();
3256                try {
3257                    loadingTimer.schedule(new TimerTask() {
3258                        @Override
3259                        public void run() {
3260                            View v2 = getView();
3261                            loading = true;
3262
3263                            try {
3264                                loadingTimer.schedule(new TimerTask() {
3265                                    @Override
3266                                    public void run() {
3267                                        loadingHasBeenLong = true;
3268                                        if (v == null && v2 == null) return;
3269                                        (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3270                                    }
3271                                }, 3000);
3272                            } catch (final IllegalStateException e) { }
3273
3274                            if (v == null && v2 == null) return;
3275                            (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3276                        }
3277                    }, 500);
3278                } catch (final IllegalStateException e) { }
3279            }
3280
3281            protected GridLayoutManager setupLayoutManager() {
3282                int spanCount = 1;
3283
3284                Context ctx = mPager == null ? getView().getContext() : mPager.getContext();
3285                if (reported != null) {
3286                    float screenWidth = ctx.getResources().getDisplayMetrics().widthPixels;
3287                    TextPaint paint = ((TextView) LayoutInflater.from(mPager.getContext()).inflate(R.layout.command_result_cell, null)).getPaint();
3288                    float tableHeaderWidth = reported.stream().reduce(
3289                        0f,
3290                        (total, field) -> total + StaticLayout.getDesiredWidth(field.getLabel().or("--------") + "\t", paint),
3291                        (a, b) -> a + b
3292                    );
3293
3294                    spanCount = tableHeaderWidth > 0.59 * screenWidth ? 1 : this.reported.size();
3295                }
3296
3297                if (layoutManager != null && layoutManager.getSpanCount() != spanCount) {
3298                    items.clear();
3299                    notifyDataSetChanged();
3300                }
3301
3302                layoutManager = new GridLayoutManager(ctx, spanCount);
3303                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
3304                    @Override
3305                    public int getSpanSize(int position) {
3306                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
3307                        return 1;
3308                    }
3309                });
3310                return layoutManager;
3311            }
3312
3313            protected void setBinding(CommandPageBinding b) {
3314                mBinding = b;
3315                // https://stackoverflow.com/a/32350474/8611
3316                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
3317                    @Override
3318                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
3319                        if(rv.getChildCount() > 0) {
3320                            int[] location = new int[2];
3321                            rv.getLocationOnScreen(location);
3322                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
3323                            if (childView instanceof ViewGroup) {
3324                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
3325                            }
3326                            int action = e.getAction();
3327                            switch (action) {
3328                                case MotionEvent.ACTION_DOWN:
3329                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(1)) || childView instanceof WebView) {
3330                                        rv.requestDisallowInterceptTouchEvent(true);
3331                                    }
3332                                case MotionEvent.ACTION_UP:
3333                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(-11)) || childView instanceof WebView) {
3334                                        rv.requestDisallowInterceptTouchEvent(true);
3335                                    }
3336                            }
3337                        }
3338
3339                        return false;
3340                    }
3341
3342                    @Override
3343                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
3344
3345                    @Override
3346                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
3347                });
3348                mBinding.form.setLayoutManager(setupLayoutManager());
3349                mBinding.form.setAdapter(this);
3350                mBinding.actions.setAdapter(actionsAdapter);
3351                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
3352                    if (execute(pos)) {
3353                        removeSession(CommandSession.this);
3354                    }
3355                });
3356
3357                actionsAdapter.notifyDataSetChanged();
3358
3359                if (pendingResponsePacket != null) {
3360                    final IqPacket pending = pendingResponsePacket;
3361                    pendingResponsePacket = null;
3362                    updateWithResponseUiThread(pending);
3363                }
3364            }
3365
3366            private Drawable getDrawableForSVG(SVG svg, Element svgElement, int size) {
3367               if (svgElement != null && svgElement.getChildren().size() == 1 && svgElement.getChildren().get(0).getName().equals("image"))  {
3368                   return getDrawableForUrl(svgElement.getChildren().get(0).getAttribute("href"));
3369               } else {
3370                   return xmppConnectionService.getFileBackend().drawSVG(svg, size);
3371               }
3372            }
3373
3374            private Drawable getDrawableForUrl(final String url) {
3375                final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
3376                final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
3377                final Drawable d = cache.get(url);
3378                if (Build.VERSION.SDK_INT >= 28 && d instanceof AnimatedImageDrawable) ((AnimatedImageDrawable) d).start();
3379                if (d == null) {
3380                    synchronized (CommandSession.this) {
3381                        waitingForRefresh = true;
3382                    }
3383                    int size = (int)(xmppConnectionService.getResources().getDisplayMetrics().density * 288);
3384                    Message dummy = new Message(Conversation.this, url, Message.ENCRYPTION_NONE);
3385                    dummy.setFileParams(new Message.FileParams(url));
3386                    httpManager.createNewDownloadConnection(dummy, true, (file) -> {
3387                        if (file == null) {
3388                            dummy.getTransferable().start();
3389                        } else {
3390                            try {
3391                                xmppConnectionService.getFileBackend().getThumbnail(file, xmppConnectionService.getResources(), size, false, url);
3392                            } catch (final Exception e) { }
3393                        }
3394                    });
3395                }
3396                return d;
3397            }
3398
3399            public View inflateUi(Context context, Consumer<ConversationPage> remover) {
3400                CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(context), R.layout.command_page, null, false);
3401                setBinding(binding);
3402                return binding.getRoot();
3403            }
3404
3405            // https://stackoverflow.com/a/36037991/8611
3406            private View findViewAt(ViewGroup viewGroup, float x, float y) {
3407                for(int i = 0; i < viewGroup.getChildCount(); i++) {
3408                    View child = viewGroup.getChildAt(i);
3409                    if (child instanceof ViewGroup && !(child instanceof AbsListView) && !(child instanceof WebView)) {
3410                        View foundView = findViewAt((ViewGroup) child, x, y);
3411                        if (foundView != null && foundView.isShown()) {
3412                            return foundView;
3413                        }
3414                    } else {
3415                        int[] location = new int[2];
3416                        child.getLocationOnScreen(location);
3417                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
3418                        if (rect.contains((int)x, (int)y)) {
3419                            return child;
3420                        }
3421                    }
3422                }
3423
3424                return null;
3425            }
3426        }
3427    }
3428
3429    public static class Thread {
3430        protected Message subject = null;
3431        protected Message first = null;
3432        protected Message last = null;
3433        protected final String threadId;
3434
3435        protected Thread(final String threadId) {
3436            this.threadId = threadId;
3437        }
3438
3439        public String getThreadId() {
3440            return threadId;
3441        }
3442
3443        public String getSubject() {
3444            if (subject == null) return null;
3445
3446            return subject.getSubject();
3447        }
3448
3449        public String getDisplay() {
3450            final String s = getSubject();
3451            if (s != null) return s;
3452
3453            if (first != null) {
3454                return first.getBody();
3455            }
3456
3457            return "";
3458        }
3459
3460        public long getLastTime() {
3461            if (last == null) return 0;
3462
3463            return last.getTimeSent();
3464        }
3465    }
3466}